Its range is longer than many other IoT technology options and it provides a more robust connection in challenging environments where the ability to penetrate walls or other barriers is an important consideration. Enhanced 4dbi antenna provides wider network coverage, meaning better Proof of Coverage result for increased $HNT earnings. If you try to register during the firmware update you will get an error in the app. I got a fiberglass 5dBi antenna for this one, in 24h i got 31 witnesses. While it seems that a high gain antenna will get you better range, it doesnt really matter. I have purchased and installed HNTenna. My question is, with the db drop of the cable length, and the antenna only being a 3db one, will I be able to squeeze enough DB out of that antenna to do good? UPDATE: HeliumVision now reports this for all hotspot owners who have entered this on Helium app. 8 dBi Low Profile N-Female Omni Outdoor 915 MHz Antenna for Helium RAK Miner 2 Nebra Indoor SyncroB.it & Bobcat Every increase of 10 dBm has a tenfold increase in power. Remember, a high dbi antenna focuses the signal of your antenna. Is there a placement optimization map available? Your posts on this stuff are really easy to understand. Location: On the roof The fanciest, coolest, most high tech antenna in the world wont get you much if youre in a crappy location down low. In contrast, Bobcat Miner 300s enhanced 4dbi antenna is able to provide 150% wider coverage. Waht antenna dBi gain do You recommend? 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. My miner would be indoors (cant get it outside sadly) on the 14th floor of a highly populated city (Oakland, CA). Does placing outside mean you need to ground it somehow? I spent a fair amount of blood and treasure to learn that lesson. Thank you so much for your helping appreciate it. 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. I will be being power and eth to the base. Wait, you want to actually learn and match your antenna to your situation so you get the maximum rewards possible? {"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}}. Hello, thanks for the awesome guide. That means that DBP is seeing a lot of hotspots that ARENT seeing a lot of hotspots. 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. But please contact me if you have any problems with your order. Thank you so much for the response. 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. Theyll all work well. Id give it a week. I'm thinking of doing the same thing. Syncing my Batch 21 Bobcat Miner 300s before I send them out to their new hosts! That means that unless you aim your antenna very carefully, you can blast all that power into places that have no hotspots. Buyers are responsible for return shipping costs. Ein gut gelungenes Produkt fr kleines Geld.

Keep in mind that the goal of many ham radio operators is incredible range, but that can come at the cost of broad coverage. Ill round this out with what to definitely NOT do. dBm is based on a logarithmic scale. How are you bringing power & ethernet to the enclosure at the base of the tree? And could I possible get a link for reference to which one I need? Calculating RF Power Values (explains why a 6 dBi antenna doubles your power), 900 MHz: The Wireless Workhorse. We've sent you an email to confirm your subscription. Hi Nik, That brings us to ELEVATION. The product delivers what it promises.Looks like in the description. 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. 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.

All those spiky buildings sticking out will gobble up your radio signals. Made of Fiberglass, Copper, and Aluminum Alloy, Authorized Distributor - 1 (667) ALFA-NET, Learn more about antenna size and gain correlation, learn more about antenna height and gain correlation, Heavy Duty N-MALE antenna magnet base 3.5" diameter + 6.5 ft. CFD-200 cable, Telephone and Email/Live Chat Support(Click Here), Technical Manuals and Instructions(Click Here). Are there some alternatives for multi-polarised antennas? Remember, the most important thing is location, then elevation. Refresh your browser window to try again. I have two miners and they are 1.4 km apart. 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. Selling fast! Nearest hotspots are in 9 15 km distance. It was a pain outing up there, but I dont mind talking it down if I have to. You can post and find jobs there, help support the ecosystem by making it easier to connect professionally, and let the world know thatYOUexist and want to help contribute within the Network. This is super helpful by the way, thanks for making it easy to digest on a subject I am clueless about. How much will buildings block or reduce the power of radio propagation? Sorry, we could not translate this listing to English. Lorawan can travel through buildings it's just not ideal. Such light material and very easy to use. Rokland 8 dBi N-Female 915 MHz low profile 25.2" fiberglass Helium antenna with N-female connector and U-bolt bracket mount. Thanks Nik! Click Turbo Sync, type in I Agree, username is bobcat, and password is miner. Hi Nik, Cable: LMR 400, 20 long That is what I'm planning on doing. Cable: LMR 400, 15 long Use an HNTenna indoor antenna if you want to spend money and upgrade, but start with stock. Its a stubby 4 dBi that is weatherproof so you can stick outside for better performance. All other Helium HNT miners on the market either use 32GB flashes or external SD cards.More memory means the miner is able to compute more at the same time, as well as longer device life expectancy (up to 10 years), because it allows 3000 write cycles, compared to 500 write cycles allowed by an SD card. 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. So they do. Id post a picture if I could. VSWR 1.5 with 8 dBi gain, 50-ohm impedance, max input power 50 W, made of Fiberglass, Copper, and Aluminum Alloy, Includes 2 U-bolts and mounting bracket as pictured, plus antenna. 5 Does anyone have a solution for running a longer cable to roof with an outdoor antenna? So we finally got out helium antenna up.

If you give those radio waves some room to spread out, they can get around obstacles. Dublin being a relatively flat City and the fact that there are only two other hotspots within a 1 km radius I think I should go for an a TBI but what would you think? You can also run that idea backwards; if youre in a really flat area where you dont have a lot of obstacles, a high gain antenna might be your best bet. So my question is, is the antenna waterproof? European and other areas start WAY lower, at 14, $39 paper I quoted earlier regarding how much RF energy a given building material would absorb. English version below:For sale is a window mount for the standard bobcat miner antenna. And the bobcat antenna fits it like a glove :), The shipping personally from the seller I found great!The workmanship and quality of the materials used is really good and the holder is very stable.A well-done product for little money.Would I buy again. Learn more. This reduction in power is called attenuation. In general with radio communications, you dont want any attenuation. Ill bring power and internet to it. Disclaimer: RF geeks, Ima get loose with terms here.

European and other areas start WAY lower, at 14. 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. Vintage, handmade, refurbished, or modified electrical or electronic products may not meet current safety standards and may not be in safe working order. im afraid the glass would attenuate the signal considerably for a smaller antenna, would love to get your opinion on this one Lets go through 3 examples. Beyond 9 the pattern generally gets too precise to provide the Wide coverage (the W in WUPU) that we want. Simply wait and try again after 30 minutes to 1 hour. Now I have to just set up my other miners and Im good to go. I bought that HNTenna, the 3db cone one. I might need help with the math. Etsy offsets carbon emissions from shipping and packaging on this purchase. With the new 3 dBi antenna and cable coming, I can only imagine those numbers will go up again. (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 .

Required fields are marked *. Miner A Bobcat You dont need to. Miner A Bobcat We exhibited at That means if youre INSIDE the building, youve burned most of the energy of the antenna just getting outside the walls. I plan on securely fastening it atop a cypress tree, like a star. Sieht so aus wie in der Beschreibung. Look up r f antennas helium miner on youtube, Try one of these https://www.mcgillmicrowave.com/antennas/helium-antennas/omni-directional-tuned-and-optimised/, they work well I have one setup brought the kit, A community for discussing all things related to Bobcatminer300 and the Helium network. Area: Bayonne, NJ Antenna: Stock 3 dBi Cables: 1m pigtail, Warm Juniper Panther Elevation: 4th floor rooftop. That image is also a great example of why you should never put a hotspot antenna inside; you are losing a ton of power before the radio waves ever get outside the building. Antenna: 5.8 RAK. Electrical or electronic products may pose a risk of fire or electrocution. At some distance theyre so spread out that youre basically not going to make a connection, so the effective window shrinks back down. Is there a guide with the original antenna? You dont need an N-male for it. The antenna base comes with a silicon cover but you can remove it if youd like since the antenna base is also magnetic.

Captcha failed to load. There was a problem calculating your shipping. 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. 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. Hey Mark, you did the right thing; Custom Antenna is fine. Read that again and youll have an advantage over everyone who doesnt get that concept. Antenna: Laird FG9026 (6 dbi), Cables: 5 of LMR400, Lucky Menthol Wasp Elevation: 60 above ground, Area: San Diego, CA. Ship items back within: 30 days of delivery. For extrajudicial settlements of consumer disputes, the European Union has launched an online platform ("ODR platform"): Allgemeine Geschftsbedingungen der Firma JSB Engineering, Looks like you already have an account! Here is my situation and could you please let me know your thoughts on below? Hi John, We do this with marketing and advertising partners (who may have their own information theyve collected). 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. But it'll be safe from the elements ideally. Rf sims say 174 potential witnesses with 8.0 and 170 with 3.0. Cable losses vary by cable, which is why most people use a low loss cable like LMR400. Whats a TBI? Or do i have to make adjustments? I offer consulting thatll walk you through the strategy side as well as helping you find the best spot locally, you can read more about that here. I know a lot of people who but miners and keep buying more ad new equipment, trying to optimize their initial investment and I rather do this one, and right. Antenna: 6 dbi, Miner B Bobcat Doing exactly what a ham operator does may give you the results they want, not what you want.

Miner A and B could witness each other and beacons did not have any issue, also had mining rewards. This offers unmatched reliability and direct manufacturer support especially when it comes to debugging. These are third party technologies used for things like interest based Etsy ads. Inspect carefully before use and message the seller if you have concerns relating to the product. 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. There are at least 9 miners within 3km of me too. Is the 3 dbi antenna what you are recommending, or is it another product not currently available? I saw your posts about dont worry about the antenna, and keep is as close as you can. Im not sure if theres anything inherently unhealthy in a fiberglass antenna, but Im definitely not a medical professional. Antenna: Oukeione 3 dbi. Please only purchase your Bobcatminer from WWW.BOBCATMINER.COM to avoid being scammed. is backordered and will ship as soon as it is back in stock. Many of you will have been scouring ham radio sites to figure out how to improve the range of your antenna. My antenna is on the roof, Your email address will not be published. So this is probably a stupid question but I dont wanna buy the wrong thing lol. Questions about miners, antennas and cables? I already have a good location for them. Hi David, yep, stick with stock to start off. Best of luck with your placement and earnings, Im stoked to be a part of this amazing community! Lets start with topography. Of course, that 4x power comes at a cost; the beam is focused; more laser and less lightbulb. Return Policy:You may return this item, open or used, for an exchange or refund at your discretion within 30 days of receipt. Ok, weve got one more thing to consider before wrapping up. Let em breathe! 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. 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. Learn how your comment data is processed. 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. The only problem is, my box will have to be at the bottom of the tree, about 50 below. Im glad I wasnt the only anxious one. What antenna would you suggest? I sent you a picture on discord, Helium-Antennas, Got it, posted here for reference. I chose custom antenna and set it to 3dbi but wondering if I should have gone another way.

Antenna: RAK 5.8 dbi, Cables: RAK pigtail interface converter bundled with antenna. Helium Outdoor Antenna Low Cost Balcony Deployment. Indoor setup. Still, most people dont live in the desert, and the flattest state in America has a ton of trees on it. I live in on the Hill to be fair with clear line of sight. Good antenna! Hey Nik! Currently mining around 25 cents a day. Always stick with trusted name brands like RAK Wireless, Rokland, or McGill Microwave with quality LMR400 or MPD-400 cable (use helium at checkout for 5% off your order). I have a newly installed hotspot, indoors/behind a thick glass window (no access for outdoors option ), around 70m high, clear line of sight. I placed two separate orders in early to mid-May. 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. Remember that $39 paper I quoted earlier regarding how much RF energy a given building material would absorb? Kind Infrared Lynx Elevation: 15 above ground, Area: Denver, CO. Antenna: Taoglas 8 dbi. From shop JSBEngineering, $19.12 Miner Bs beacon was witnessed three times by miner which was 16km away without any issue. During this time the hotspot will be updating the hotspot firmware. Should I give this antenna more time and see what happens? For Bobcat 300 Helium HNT Hotspot LoRa Outdoor Antenna 915mhz & RP-SMA 10m Cable. Pole shown in images with antenna mounted to it is just for demonstration purposes. Try using a different browser or disabling ad blockers. Take full advantage of our site features by enabling JavaScript. Cities in general do not have a flat topography, even if theyre built on flat land. Add to cart to save with this special offer. 515 Miner A sent beacon and miner B witnessed it, but beacons are invalid: witness_rssi_below_lower_bound How much power will you lose? A deeper dive into understanding how RF works.