840-845 MHz Long Range(40km) R/C Relay (SBUS low latency) + Bi-direcitonal Mavlink Telemetry Modem ChinoWing D03

Radio link for transmitting SBUS R/C signal and Mavlink bidirectional telemetry. The standout feature is the low latency SBUS relay. D03 integrates the Microhard modem.  840-845 MHz band. This is a very good alternative to the RFD900x. More robust signal and much better package. ~40km is the maximum range with stock omni antennas. Download manual.  Product video  This is the same model as the rebranded RB20 (Foxtech) D03 Item Parameters Note Frequency 840-845 Mhz Power 0.1-1w adjustable Data rate 100k/200k adjustable Baud rate 1200-115200 adjustable Ground unit (Transmitter) SBUS port*1; USB port*1 Airborne unit (Receiver) SBUS port*1; Serial port*1 Serial port is full duplex serial port, TTL signal Operation current 500mA 12v power input Power input 7.4-12v Transmission range 40km Depend on the environment Operation temperature -10℃~+60℃ Humidity 5-95%, RH Dimension 53mm*40mm*14mm We