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goTenna Mesh

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$169.99 $199.00

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$169.99 $199.00
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Off-grid sms and GPS phone pairing device
Off-grid sms and GPS phone pairing device
Off-grid sms and GPS phone pairing device
Off-grid sms and GPS phone pairing device
Off-grid sms and GPS phone pairing device

Image result for goTenna Mesh

Image result for goTenna Mesh

GOTENNA MESH IS GREAT FOR

OUTDOOR ADVENTURE

Stay connected in remote areas, share GPS locations, & send for help if you get into trouble.

INTERNATIONAL TRAVEL

Avoid costly international plans by using goTenna to stay in touch with your fellow travelers.

EMERGENCY PREPAREDNESS

Create a resilient backup communication network for emergency situations even if traditional networks are down.

FESTIVALS & CROWDS

When cell networks are overloaded, create group chats and drop pins for meeting spots.

SMALL, LIGHT, COST EFFECTIVE

Download the goTenna app, pair to your phone via Bluetooth, and start communicating with other users at point-to-point ranges of typically up to 4 miles without cell service or wifi.

Plus: download free offline maps, share your location, and hop messages via other users to extend range.

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USE GOTENNA WITH ANY IOS OR ANDROID PHONE

Send texts (1-to-1 or group), GPS locations, or public broadcasts to all Mesh users in your area and get delivery confirmation on every message you send.

PRIVATE MESSAGING

Privately relay messages through your own people-powered network.

MESH NETWORKING

Link users in your area, relay and send messages farther while keeping them private.

GPS LOCATION MAPPING

Download free offline maps of any location in the world — save and share pins.

SECURE ENCRYPTION

No central data-store so your private chats are end-to-end encrypted.

STATIONARY RELAY MODE

Drop paired units in strategic locations to relay messages for yourself and others.

EMERGENCY BEACON

‘Push for help’ mode with programmable emergency message.

 Pair wirelessly to your phone

 

goTenna Mesh pairs seamlessly to smartphones via Bluetooth-LE (Low Energy, 4.2), with minimal smartphone battery usage. (In fact, you can even turn your phone into Airplane Mode to preserve its battery, as goTenna Mesh will still work. Just remember to toggle Bluetooth on!)

Super-smart protocols enhance functionality & make it easy for you to use  

goTenna Mesh's protocols do all the hard work behind the scenes so you can use the messaging app the way you’d use any other. Except, of course, goTenna Mesh will work when others won't! 

Using the goTenna app, send private 1-to-1 and group chats as well as broadcast to anyone within range. Count on delivery confirmation receipts, and easily download free, detailed offline maps of the entire world before you go off-grid. You’ll never have to worry about interference or channel-switching, the way you do with analog walkie-talkies. Radio + smartphone = intelligence!

The freedom to communicate over great distances, no service required

goTenna Mesh sends messages via a 1-watt UHF radio transmitter without relying on towers, routers or satellites. The range will usually be up to 3 miles (4.8 km) in open terrain, and up to a mile (1.6 km) in congested terrain. You can get much more in certain environments but we like to under-promise and over-deliver. (Plus... you can mesh! And the goTenna Plus app upgrade enables a network relay feature, so you can reach people beyond your off-grid network. If a goTenna Mesh user nearby has cell service, they can transmit your message via SMS to your intended recipient.)

(goTenna Mesh uses publicly available spectrum, intelligently selecting frequencies & power levels that are permissible in your region.)

Revolutionary mesh networking technology (the future is now!)

 

goTenna Mesh's first-of-its-kind mobile ad hoc networking (MANET) protocol enables you to intelligently relay your messages through other users to get to your recipient(s) when they are out of point-to-point range of you. This makes it more likely your messages will get through in difficult situations, and creates a network that gets stronger the more people join it. And not to worry: this all happens automatically and privately.

Here's a demo that helps explain how meshing works, using prototypes & phones in Airplane Mode. Because transmissions between goTenna Mesh devices are literally invisible, we've added voice-over to explain what's happening:

(Fun fact: Our mesh protocol is called Aspen Grove, named after aspen tree colonies which share a common root structure that can expand over huge areas, and is resilient enough to survive harsh forest fires. Like a mesh network, aspen trees find strength in numbers and grow from the bottom-up.)

If you’d like to learn more about goTenna Mesh and how it works from a hardware and RF perspective, we recommend checking out the latest episode of Adafruit’s Ask An Engineer, which features goTenna’s hardware engineers:

 

SPEC SHEET FOR GOTENNA MESH

GENERAL SPECIFICATIONSFCC/ICCE
Radio Dimensions HxWxD 5 x 1.25 x 0.5 in
Weight 1.7 oz
FCC ID 2ABVK80085 n/a
IC ID 21842-GTISM01 n/a
CE n/a Approved*
Intrinsic Safety n/a
BATTERY
Battery Life (Standby) 27 Hours
Battery Life (Nominal) 24 Hours**
Battery Capacity LiPo, 589mAh, 2.18Wh
Charge Time 3 Hours
RECEIVER
Frequency 902 - 928 MHz 869.425 - 869.625 MHz
Channel Spacing 25kHz
Frequency Stability (-30°C, +60°C, +25°C Ref) 2.5ppm
Digital Sensitivity (5% BER) -106 dBm
TRANSMITTER
Frequency 902 - 928 MHz 869.425 - 869.625 MHz
Channel Spacing 25kHz
Frequency Stability (-30°C, +60°C, +25°C Ref) 2.5ppm
Digital Sensitivity (5% BER) -106 dBm
TRANSMITTER
Frequency 902 - 928 MHz 869.425 - 869.625 MHz
Channel Spacing 25kHz
Frequency Stability (-30°C, +60°C, +25°C Ref) 2.5ppm
Low Power Output 0.5 W
High Power Output 1 W
Modulation GFSK
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature -20 to 60 C
Storage Temperature -30 to 60 C
ADDITIONAL
Antenna 0 dBi gain, Linear, Inverted-F
Mesh Networking protocol Aspen GroveTM
Hop limit 6***
Payload size 235 Bytes Max
Bluetooth BLE 5.0 & BLE 4.0+
USB port Micro USB 2.0
* See: https://www.gotenna.com/pages/legal
**Depends on number of units in the network, number of hops, and how often transmission occurs
*** May require subscription

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