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gotenna_0

Send messages to your friends without using phone network or wifi

Overview
          You can send message to your friends without using your phone’s network or wifi. But you have to use a another device which allows you to send message it’s a new generation small device that connects with your android or iphone and enables to end-users to send texts and share locations on a peer-to-peer basis, you can send message to your friend or family member by operating this device without any network. You can activate goTenna by pulling the aerial out, then pair to your ios or android device via Bluetooth-LE. Set up your account in seconds-now it’s ready foregoing the need for centralized communications infrastructure of any kind to share location using goTenna’s free offline maps or send text.
gotenna_0

Feature

  1. It’s work on public VHF spectrum known as the multi-Use Radio Service (MURS) (151-154 MHz), and is certified under Part 95 by the FCC. 
  2. Inside are a circuit board, radio chips, a custom antenna, and a lithium-polymer battery which can be recharged with a micro-USB cable.
  3. The casing of this device made of metal, nylon and silicon, and is water resistant.
  4. The hardware features a retractable self-tuning antenna and 2-watt radio. It weighs approximately (52 g), and its dimensions are 5.8 x 1 x 0.5 in (147.3 x 25.4 x 12.7 mm). When the device extends, its length increases by 2.2 in or 55.8 mm. It weighs about 1.8 oz (52 g). GoTenna is sold in pairs and can communicate with any other GoTenna device within range.
  5. End-to-end encryption (384-bit elliptic curve)
  6. Send & receive messages for free Share locations on detailed offline  maps (also for free!)
  7. Instantaneous transmission within range 1-to-1 & group messaging
  8.   Delivery confirmation & message retry (1-to-1 chats only)
  9. “Shout” broadcasts to anyone within range
  10. End-to-end encryption (384-bit elliptic curve)
  11. Compatible and inter-operable with iOS & Android devices
  12. Upgrade-able via firmware & software updates
atelier-gotenna

 

Dimension and Weight

The dimensions of the device are roughly 5.8 in x 1 in x 0.5 in or 147.3 mm x 25.4 mm x 12.7 mm. When the pull out the aerial, its length increases by 2.2 ” or 55.8 mm. It weighs about 1.8 oz or 52 g.

gotenna-parts 

Connectivity

GoTenna will work on all Apple devices running iOS 8.4 or above that are Bluetooth-LE enabled, and on Android smart-phones running 4.3 or above that are Bluetooth-LE enabled. We strongly suggest using the most recent versions of OS software available on the market.

Range of the Device

Best performance in urban area is going to be around 600-800 yards/meters. Double that in open Rural Areas.

Device cost

GoTenna costs $199 for a pair.

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