Second, for those of you who just want AN ANSWER: Simple: Pick up one of these if youre on a budget (use code GRISTLEKING to knock off another 5%), get this if have plenty to spend or choose from the McGill selection. In germany you have to be 2.5m from the roof away and maximum 1.5m away from the wall to not meeting to ground the antenna. No need to assert location to sync hotspots to the Helium blockchain. (Probably why Helium chose LoRa). Bobcat customer support said their antenna is an outdoor antenna. Hard 2 say what I think with the network so messed up and out of sorts. Super, glad its working for ya Gary. As far as a fiberglass antenna indoors being bad for health, check out this post on RF emissions. The Bobcat Miner 300 runs on ultra-low power consumption (5W) and its signal range can cover up to 10+ miles, providing connectivity to tens of thousands of LoRaWAN end nodes detected within its range. Topography refers to the buildings, earth, and water that surround, channel, and block your radio signals (propagation.) In contrast, Bobcat Miner 300s enhanced 4dbi antenna is able to provide 150% wider coverage. Please. While it seems that a high gain antenna will get you better range, it doesnt really matter. Antenna: Nearson 9, Cables: 5 of LMR400, Chilly Blood Mongoose Elevation: 41 above ground, Area: San Diego, CA. As far as miners, theyre all pretty similar, though the Bobcats are apparently sensitive to heat, so make sure its in a shaded/cooler place. Docile Bone Pony Elevation: 16 stories, Area: Greater Boston, MA. You want enough data points to make good decisions, and one or two beacons is less than optimal. The Bobcat Miner 300 stock antenna is the best stock Helium Hotspot antenna on the market. As with any hotspot, once you connect the hotspot to the internet via Ethernet or WiFi you always want to wait 30 minutes to 1 hour before you register the hotspot to your Helium wallet via the Helium app. The concept is simple. Area: Bayonne, NJ Antenna: Stock 3 dBi Cables: 1m pigtail, Warm Juniper Panther Elevation: 4th floor rooftop. I am thinking of going with a higher decibel antenna of this doeant work out for us. As I said at the beginning, the general rule for topography is this: The flatter your topography, the higher gain antenna you can use, up to 9 dBi for 95% of placements. Hi Gary, give it more time. The Bobcat Miner 300 was the first hotspot to have Turbo Sync meaning you can have the hotspot synced to the blockchain within an hour of setup. It is compatible with Helium LongFi, an architecture that combines the leading wireless LoRaWAN protocol, and the Helium Blockchain technology. Let em breathe! That means if youre INSIDE the building, youve burned most of the energy of the antenna just getting outside the walls. Miner B sent beacon and miner A witnessed it, but beacons are invalid: witness_rssi_below_lower_bound. Wi-Fi HaLow enables the low power connectivity necessary for applications including sensor networks and wearables. . Pretty neat, right? Is there a guide with the original antenna? That brings us in a roundabout way to Lines of Sight. Hey Nik! Thanks again! Wait so the antenna is weather proof or not? Hi Nik, Like this: If you set up your antenna so that youve got lots of clear space around it before it hits obstacles, those radios waves have enough spread to start bending around those obstacles. I chose custom antenna and set it to 3dbi but wondering if I should have gone another way. BLUF (Bottom Line Up Front) The flatter your topography AND the more trees/vegetation you have blocking your Line of Sight to other hotspots, the higher gain antenna you can use, up to 9 dbi. If youre up high you should usually get a lower gain antenna, more like 3 than 8. Inspect carefully before use and message the seller if you have concerns relating to the product. Originally I was leaning towards a 5.8 dbi antenna, but now I have concerns since their are so many tall buildings in the area. Sieht so aus wie in der Beschreibung. I mean, not for the hotspot owner, but its a neat demonstration of the concept. Only 5 left, and 4 people have it in their carts. Read that again and youll have an advantage over everyone who doesnt get that concept. The Bobcat Miner 300 is the only hotspot to feature a wall mount. The bracket consists of a 3D printed part made of PLA and three to four suction cups. Disclaimer: RF geeks, Ima get loose with terms here. If you want to bend your mind a little bit, think about this: The higher your elevation, the flatter the relative topography is, and the LOWER dbi antenna you can use. Are there some alternatives for multi-polarised antennas? Still, most people dont live in the desert, and the flattest state in America has a ton of trees on it. Heres another I definitely didnt go to art school drawing to demonstrate the idea of runway and diffraction. How much power will you lose? I might need help with the math. I bought that HNTenna, the 3db cone one. Antenna: RAK 5.8 dbi, Cables: 11 LMR400, Nice Lipstick Chimpanzee Elevation: 25 above ground, Area: San Francisco, CA. Lorawan can travel through buildings it's just not ideal. Alex, its a good question and Im not sure of the answer. If you have questions about how to run power over Ethernet (poe) with your Helium Hotspot, check out my Helium Hotspot POE Setup guide. Thanks in advance! I first heard about Helium and the Bobcat Miner 300 by watching one of VoskCoins YouTube videos. See Etsy's Terms of Use for more information. Its a stubby 4 dBi that is weatherproof so you can stick outside for better performance. Is there a placement optimization map available? The Helium Network had a rough November 2021 experiencing 27 network incidents in an unsuccessful attempt to rollout POCv11. Thanks. If youd like to learn more about HeliumVision (I use it in every one of my consults) Ive built a Master Class on it, over here. Learn more. If you selected a frequency that is not compatible with the shipping address, our support team will contact you via email to confirm the frequency on the order. Etsy uses cookies and similar technologies to give you a better experience, enabling things like: Detailed information can be found in Etsys Cookies & Similar Technologies Policy and our Privacy Policy. ), LoRa Antenna-433MHz /470MHz /868MHz /915MHz 8dBi Fiber Glass Antenna with N Female Connector, 15dBi high gain panel directional 865MHz lora antenna, 6dbi 8dbi 10dbi 12dbi 868mhz lora Fiber Glass Antenna Kit for 915MHz Helium Hotspot, 8dbi 915mhz outdoor lorawan fiber glass antenna Miner longfi hotspot antenna, 915 8dbi Fiberglass Antenna For HNT Helium Hotspots LoRaWAN, Helium HNT antenna 3dbi 5.8dbi 8dbi 10dbi 868MHz 915MHz Lora Outdoor Fiberglass Antenna, 8dBi 868Mhz Fiberglass Antenna for Gateways and Hotspot Miners, 8 dBi Omni Outdoor 915 MHz Antenna for LoRa lowan Helium RAK Miner, 8dbi 915MHz outdoor fiber glass antenna for Helium Hotspot miner, Waterproof type High gain 915mhz Lora antenna with N type connector, Fiberglass 12dbi 915mhz antenna for helium Hotspot miner, High gain Lora antenna 868mhz fiberglass antenna, Report Intellectual Property Infringement, Global Sources Sourcing Sites: GlobalSources.com, No.20, Fengshen Rd,Beifeng Industrial Area,Quanzhou,Fujian,China. Some of the technologies we use are necessary for critical functions like security and site integrity, account authentication, security and privacy preferences, internal site usage and maintenance data, and to make the site work correctly for browsing and transactions. Wrde ich wieder kaufen . Send me exclusive offers, unique gift ideas, and personalized tips for shopping and selling on Etsy. If that plane is super flat, itll fly right over the tops of all those hotspots you want to hit. These are third party technologies used for things like interest based Etsy ads. Saying no will not stop you from seeing Etsy ads or impact Etsy's own personalization technologies, but it may make the ads you see less relevant or more repetitive. I have a newly installed hotspot, indoors/behind a thick glass window (no access for outdoors option ), around 70m high, clear line of sight. 8 dBi Low Profile N-Female Omni Outdoor 915 MHz Antenna for Helium RAK Miner 2 Nebra Indoor SyncroB.it & Bobcat Also, find a better placement location. I got a fiberglass 5dBi antenna for this one, in 24h i got 31 witnesses. Lets start with topography. Copyright 2022 Publishers Representatives Limited. the simulations are with 30 foot LMR 400 at 1.2 loss, 30 feet in the air on the roof of my house, then i tried various dbi in the simulation. YOU want to hit as many high scale hotspots as possible. To the south, the signals are blocked or attenuated by interior and exterior walls, but apparently there is a small window or opening where those weakened signals are escaping, then going pretty far over the water. Each placement demands a well matched antenna in order to provide value to the Helium Network and consequently earn the most HNT possible for that location. Rf sims say 174 potential witnesses with 8.0 and 170 with 3.0. should i just start with a 5.8 dbi omni and see what happens? This is NOT a WiFi antenna or 4G cellular antenna, it is ONLY for 915 MHz sub 1 GHz HaLow or LoRa application, or other applications in this band. Do NOT, by the way, try to get the giant antenna in the picture below. Remember, youll earn the most by delivering the most valuable & provable coverage to the network. That is what I'm planning on doing. This offers unmatched reliability and direct manufacturer support especially when it comes to debugging. Global Sources Sourcing Sites: GlobalSources.com Global Sources Management Site: . Ich bin zufrieden. Id give it a week. For more details including how to change your cookie settings, please read our, Lead Time Depending on who you listen to, LoRa doesnt go through much more than 60 meters of dense forest. Copyright 1995-2022 eBay Inc. All Rights Reserved. Great! Selling fast! That means a 6 dBi antenna will give you 33 dBm of EIRP with a US hotspot. Click Turbo Sync, type in I Agree, username is bobcat, and password is miner. Rock on! If you want to run your EIRP numbers, heres how. Antenna: 4 dbi. i have a sensecap on the way. The Bobcat Miner 300 is one of the most popular Helium Hotspots on the Helium Network. Before you read this and assume that you must have a high gain antenna in order to get great earnings, please keep in mind that these hotspot owners are generally tinkerers and often have some expertise in RF theory. In general, earth in the form of mountains or hills will block radio signals. Antenna: 6 dbi, Miner B Bobcat Antenna: Oukeione 3 dbi. Just curious. We are using the HNTenna you suggested. I just will have to use about 50 of cable (LMR400,600,900 ). How long does it take to notice a difference. Hm, were having trouble loading this video. If it hits just one more thing, whether its a building, a tree, or a billboard, thats probably the end of the line. Can you use PoE to get that enclosure up much higher, thereby decreasing the antenna cable run? And do you recommend anything better than the Bobcat 300? (geo/address is not my address, but close enough), https://beta.hotspotrf.com/map/?share=81689db12bba4656ac6716e3a413b5b1, https://beta.hotspotrf.com/map/?share=df4867603c6f40f7b33a6f1b8bdedde9, https://beta.hotspotrf.com/map/?share=1a1c78bd7a854777ad89c607d5a67096, https://beta.hotspotrf.com/map/?share=cee96b2feaa149d59718065b7f627f17, I have posted in the sensecap discord and the helium subreddit and im unable to get a response . Hi Nik, You did, On a mountain where you cant possible transmit behind you (because the mountain will block your signal) and you have an enormous view of civilization and your nearest hotspot is more than 5 miles away? I am satisfied. Currently mining around 25 cents a day. Die Verarbeitung und Qualitt der verwendeten Materialien ist wirklich gut und der Halter ist sehr stabil. Still, you can see why in *most* cases, you want a low or medium gain antenna up high. Thank you and welcome :), Press J to jump to the feed. Questions about miners, antennas and cables? Location: On the roof UPDATE: HeliumVision now reports this for all hotspot owners who have entered this on Helium app. I live in a suburban flat area. I sent you a picture on discord, Helium-Antennas, Got it, posted here for reference. Required fields are marked *. Try using a different browser or disabling ad blockers. Helium Outdoor Antenna Low Cost Balcony Deployment. Read more about Terms & Conditions and Right of Withdrawal for JSBEngineering, United States | English (US) | $ (USD), Copyright and Intellectual Property Policy, Review how we define handmade, vintage and supplies, See a list of prohibited items and materials, Perishable products (like food or flowers), Intimate items (for health/hygiene reasons), remembering account, browser, and regional preferences, remembering privacy and security settings, personalized search, content, and recommendations, helping sellers understand their audience, showing relevant, targeted ads on and off Etsy. Relax. Thank you so much for the response. Do I need to buy a N-male to RP-SMA cable for this? Ein gut gelungenes Produkt fr kleines Geld. Lets go through 3 examples. During this time the hotspot will be updating the hotspot firmware. {"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"https://ir.ebaystatic.com/cr/v/c1/thirtysevens.jpg","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}}. This antenna also works with other Helium hotspots (such as the Nebra Outdoor) but may need different cable connectors, please contact our sales staff if needed. Electrical or electronic products may pose a risk of fire or electrocution. Refresh your browser window to try again. Because of the nature of these items, unless they arrive damaged or defective, I can't accept returns for: Etsy keeps your payment information secure. The name of the game when it comes to 915 MHz (the frequency the Helium Network runs on in the United States) is to get the antenna outside and as high as possible, preferably above your roofline. Ok, ok, ok, why does it matter whether or not you know your EIRP? Thanks for all the help you do for this community!! Buyers are responsible for return shipping costs. Your witness list only builds when you beacon, which only happens once or twice every 24 hours. Unless you put up an antenna thatll stick over the top of the hills, youre restricted to witnessing only other hotspots in your immediate area, and in this case, that area is small! If you want help with getting the maximum value out of your placements or strategy, Im available for hire. If youve already done that, your item hasnt arrived, or its not as described, you can report that to Etsy by opening a case. Any advice? Seller will cover return shipping costs. If you try to register during the firmware update you will get an error in the app. Rock on! You've already signed up for some newsletters, but you haven't confirmed your address. Or do i have to make adjustments? European and other areas start WAY lower, at 14. Antenna: 6 dbi, Miner B Bobcat Please only purchase your Bobcatminer from WWW.BOBCATMINER.COM to avoid being scammed. This seller usually responds within a few hours. Enhanced 4dbi antenna provides wider network coverage, meaning better Proof of Coverage result for increased $HNT earnings. You dont need an N-male for it. The difference between a 3 dBi antenna (what most hotspots ship with) and an aftermarket 9 dBi antenna is a factor of 4! Miner A and B could witness each other and beacons did not have any issue, also had mining rewards. I'm thinking of doing the same thing. Just make sure you put the Bobcat Miner 300 in an outdoor enclosure. It hasnt been 24 hours yet and I would describe myself as a patient person, but in this case Im having anxiety lol. The antenna base comes with a silicon cover but you can remove it if youd like since the antenna base is also magnetic. My miner would be indoors (cant get it outside sadly) on the 14th floor of a highly populated city (Oakland, CA). There are two other tall buildings across the street, each a few hundred feet away. Antenna: 8 dbi omni from eBay, Cables: 60 of LMR400, Sweet Sage Pike Elevation: 43 above ground, Area: San Diego, CA. Seller will cover return shipping costs. Earth = No Radio Waves Getting Through. Theyll all work well. Cables: Bingfu, Petite Menthol Leopard Elevation 25. Copyright 2022, Heliumrobo If you opt for an exchange, we will pay to ship the replacement to you. That means that DBP is seeing a lot of hotspots that ARENT seeing a lot of hotspots. It was a pain outing up there, but I dont mind talking it down if I have to. The execution can be complicated. The Bobcat 300 will be right inside the building within about 30 feet maximum cable run. Miner A Bobcat Visit this page to learn more. Area: Bayonne, NJ Antenna: Nearson 9 dBi. it appears from the from the elevation experiments in google maps that there is a 20 foot elevation gain before i get to the lake in any line of site path I try to outline. Etsy shops never receive your credit card information. While were on Lines of Sight, lets talk about the range of a standard hotspot. Im going to anthropomorphize this a bit, but their only option is to communicate with DBP. . I will be being power and eth to the base. Cable: LMR 400, 20 long You may check out your location on the Helium Explorer Coverage map and think youre perfectly positioned in regards to nearby hotspots, like this: See how that spot is tucked into a bunch of hills? In an omni antenna (well get to directional or sector antennas in a minute), that shape becomes a flatter and flatter plane. The antenna is pushed into the holder and sits bomb-proof.The antenna is waterproof and withstands rain (see video). It *routinely* gets witnesses over 200km away. Id go with the stock Bobcat antenna mounted on a metal surface or a low gain antenna like the HNTenna. FREE shipping. Finally, dont worry too much about your antenna. The results are a little skewed because of that. I choose 8 dbi antenna but i guess its to strong because is not connecting with them. I knew the wait would be long to receive the Bobcat Miner 300s so when they came it was an amazing feeling. You only need to ground if you are on the roof, or to near at the side of the roof. . Wi-Fi HaLow is "the designation for products incorporating IEEE 802.11ah technology, augments Wi-Fi by operating in spectrum below one gigahertz (GHz) to offer longer range and lower power connectivity. While itll work to send out RF, most of those transactions will be invalid due to being likely to break the current RSSI/SNR curve Helium uses to evaluate signals. Area: Napa, CA. This is certified and designed for outdoor environments and is weatherproof. What does that mean? Hey, Nick. For those of you who skipped all that and just want to know what antenna to get, here are 4 generally good options for the 3 most common scenarios. Your posts on this stuff are really easy to understand. All those spiky buildings sticking out will gobble up your radio signals. One of the best features of the Bobcat Miner 300 is its stock antenna. I dont have my miner yet, but my idea would be to put the miner in Front of a window. A Rough Guide To Helium Hotspot Placement, this post regarding Witnesses & RSSI issues, How These Accessories Can Impact Your Helium Network Coverage Parley Labs, In a building where you just cant get up high? Hi Johannes, Good manufacturer. Miner A Bobcat Here is a step by step method for understanding how to choose the best antenna for your hotspot placement. 27dBm + 6dBi = 33dBm in the direction of antenna gain. One of the best tools to use when assessing a new site is HeliumVision. 8 dBi Low Profile N-Female Omni Outdoor 915 MHz Antenna for Helium RAK Miner 2 Nebra Indoor SyncroB.it & Bobcat, Increased witnesses to 27 and up to 20 km away. Simply wait and try again after 30 minutes to 1 hour. My Bobcat is due to arrive any day now and there is a lot of info floating our there I like what you say and have read most all your posts; a lot of information, most beyond my understanding. For bulk purchases, see our bulk purchase return policyhere. Any expedited shipping charges paid, including return shipping, are never refundable. Even though a hotspot may seem very close to you, if theres a hill between the two of you, you probably wont witness each other. ad by JSBEngineering Some map that allows me to input my address and based on all parameters, advise where to place my antenna and how high, etc? Cities in general do not have a flat topography, even if theyre built on flat land. A great tutorial was made by VoskCoin that you can find here. I have some cell towers on my flat roof over the top-floor mechanical room below but there is about 150 feet between the two cell tower structures. Would love your thoughts. If youre not sure on calcs, check out this page on Cable Loss & EIRP. Water allows radio signals to travel much further than normal; look at any hotspot next to a body of water and youll see it will connect with other hotspots at much further ranges across the water than it will across land. How are you bringing power & ethernet to the enclosure at the base of the tree? How much will buildings block or reduce the power of radio propagation? im really trying to learn and research here and your articles have helped me so much. This antenna is compatible with the RAK V2, Bobcat 300, Nebra Indoor, SenseCAP M1, Kerlink, Linxdot, SyncroB.it, Helium Hotspot, Kerlink, FreedomFi& LongAP, but requires an RP-SMA to N-male coaxial cable to fit, and we carry compatible coaxial cables. We take intellectual property concerns very seriously, but many of these problems can be resolved directly by the parties involved. Sounds like your recommendation for me would be to stick with the stock antenna, let me know if that is right! Worked flawlessly. Hi Ryan, the 3 dBi antenna is what I recommend. Everything needed is included.The bracket is mounted on the disc with the suction cups and thus allows the antenna to be attached to the outside of the disc. Miner Bs beacon was witnessed three times by miner which was 16km away without any issue. The large fiberglass ones are. There are some scam Bobcat Miner 300 websites out there so make sure you always order from the official website only. Antenna: HNTenna, Issue: There are at least 9 miners within 3km of me too. A form will be provided for you to complete if you'd like to proceed with this unsupported frequency.If the form is not competed within 7 days of receiving this email, our fulfillment team will change the frequency, so that it complies with the region where the miner is being shipped.Bobcat Miner 300 is a high-efficiency miner hotspot for HNT. Hi David, yep, stick with stock to start off. im afraid the glass would attenuate the signal considerably for a smaller antenna, would love to get your opinion on this one it seems like directional may not be an option because of the elevation gain and because I can really only get up about 25 foot at the most, thats my roof peak, it basically looks like im blocked from all of the hotspot clusters on the other side of the lake due to this 20 foot elevation gain, any ideas if this looks accurate? My indoor HNTenna just came today. Another nice touch is the Bobcat comes with a wall mount and mounting hardware. State sales tax of 7% will be added to FLORIDA purchases only. Sorry, we could not translate this listing to English. Thank you so much for your helping appreciate it. However, your blinds won't stop the signal unless they are heavy and thick. Ive got another helium miners 500 meters under me. Try to refresh the page or come back later. Remember, the most important thing is location, then elevation. Dont get too wrapped up if you cant get one of theirs though, as a standard vertically polarized antenna will usually do almost as well. Antenna: 5.8 RAK. Keep in mind that the goal of many ham radio operators is incredible range, but that can come at the cost of broad coverage. At some distance theyre so spread out that youre basically not going to make a connection, so the effective window shrinks back down. Doing exactly what a ham operator does may give you the results they want, not what you want. 900 MHz frequency needs some runway, ideally 50/15m to fan out enough to diffract around obstacles. Now, an in depth discussion of the implications and restrictions of this table is beyond the scope of this article, but your general takeaway should be Optimize your antenna for hotpots within 10 km aka most people dont need a high gain antenna. Hello, thanks for the awesome guide. Area: Englewood, CO. Antenna: RAK 8 dbi. Unlike all other HNT hotspot miners on the market that run on Raspberry Pi, Bobcat Miner 300 uses the industrial-grade Rockchip PX30, a high-performance quad-core application processor designed for high-end commercial applications. Indoor setup. Basically, the further out your radio waves go, the more they can spread out along their radiation pattern, the less likely that all of the waves get blocked, and the more likely that at least some of em will get to another hotspot. The fanciest, coolest, most high tech antenna in the world wont get you much if youre in a crappy location down low. Wait, what? Now youve got to calculate cable and connection loss. I might need help with the math. Dont bother with Yagi antennas. Etsy is powered by 100% renewable electricity. Ive closed submissions on this page. Sign up to our newsletter and well keep you up to date with the latest arrivals, 8 dBi Low Profile N-Female Omni Outdoor 915 MHz Antenna for Helium RAK Miner 2 Nebra Indoor SyncroB.it & Bobcat That brings us to ELEVATION. Location is 80% of your earnings. View cart for details. Remember that $39 paper I quoted earlier regarding how much RF energy a given building material would absorb? I need an advice and a help: The concept of Fresnel zones and diffraction in radio wave communication is one of the fundamental drivers of the RF is weird refrain youll hear whenever you see a pattern that doesnt immediately make sense. FREE shipping, $21.26 The stock antenna is not waterproof. Good antenna! As pictured below you can sync more than one hotspot at a time on your local network and relay status does not impact syncing to the blockchain in any way. Lets run some numbers. Cable: in stock, 4dbi So this is probably a stupid question but I dont wanna buy the wrong thing lol. Do you think a lower dbi antenna would get up and over the elevation without raising my antenna above 25 feet when the elevation gain seems to be 20 feet and it raises that 20 feet in a distance of 1.93 miles from me? Copyright 2022 Gristle King Inc. All Rights Reserved. Here is my situation and could you please let me know your thoughts on below? Finally, Lines of Sight can be blocked by forests. If you Buy It Now, you'll only be purchasing this item. Our production and fulfillment departments perform a final frequency check prior to shipping. Ill bring power and internet to it. I think youre on the right track aiming to get it done right the first time, keep going! Remember, location is FAR more important than antennas. For Bobcat 300 Helium HNT Hotspot LoRa Outdoor Antenna 915mhz & RP-SMA 10m Cable. Id probably try a 3 dBi, but I like testing things. Im taking your advice (from our email conversation and from hours of reading this weekend) to buy the HNTenna and am planning on purchasing a somewhat-short cable (probably around 30 inches) from USA Coax.
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