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915Mhz Radio For Telemetry Ground Module

915Mhz Radio For Telemetry Ground Module

Price: $14.99

Item: TGM-915

Weight: 90g

Quantity : 
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RCT Radio For Telemetry Ground Module 915Mhz

APM 2.5 Hardware ArduPilot Firmware Rctimer ArduFlyer Tutorials & Discussion: Click Here


The RCTimer Radio "Ground" module is part of the new telemetry system.

It would work in conjunction with the "Air" module offering a 2-way half duplex wireless communication system. 

It base on 3DR Radio system and 100% compatible.




·Small size and light weight

·Available in 915MHz  variants

·Receiver sensitivity to -121 dBm

·Transmit power up to 20dBm (100mW)

·Transparent serial link

·Air data rates up to 250kbps

·MAVLink protocol framing and status reporting

·Frequency hopping spread spectrum (FHSS)

·Adaptive time division multiplexing (TDM)

·Support for LBT and AFA

·Configurable duty cycle

·Built in error correcting code (can correct up to 25% data bit errors)

·Demonstrated range of several kilometers with a small omni antenna

·Can be used with a bi-directional amplifier for even more range

·Open source firmware

·AT commands for radio configuration

·RT commands for remote radio configuration

·Adaptive flow control when used with APM

·Based on the HopeRF HM-TRP radio module, featuring an SiLabs Si1000 RF microcontroller.

Datasheets of HM-TRP module:


Radio Configurator:

Board schmatic:


         ·Dimension: 17mmx59mm(no include SMA connector)

         ·Weight: 7.2g/17g(include antenna)

Package content

         ·Ground Module(915Mhz) x 1

         ·UART 4Pin cable 300mm x1

·2.5dbi Antenna x1

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