Independent signal amplifier 1W.
Same design, both modules can be used either on the groundstation or in the air
Both come with Micro USB TTL port.
Equips with 3 kinds of cable for APM and Pixhawk(5P for Apm,6P for Pixhawk) OTG.
Use a small omnidirectional antenna up to several kilometers
Bidirectional amplifiers available for greater range.
Open source firmware.
Specification:
CP2102 high quality USB to TTL chips.
433 MHz.
Receiver sensitivity to -140 dBm.
Transmit power up to 30dBm (1000mW 9600 bps).
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.
Based on HM-TRP radio modules, with Si1000 8051 micro-controller.
Very small size(L53mm W25mm H12mm).
Light weight (under 11 grams without anten