USB Online Upgrade



AT9S Pro is easy to update to the latest firmware with a USB cable and a computer.

Operating Current of 90mA                  DSSS&FHSS                           Multiple Alarms                      Reverse Polarity Protection               Real-Time Telemetry                   3ms Response

Multiple Language                            Mix Control                      TBS Crossfire Compatibility                   10/12 Channels                  SBUS/PPM/PWM/CRSF                  Upgrade with USB

*CRSF is a proprietary TBS communication protocol between the Crossfire and R/C and Flight Control. It provides ultra-low latency with incredible bandwidth (3x faster, 6x more data than any comparable protocol.

CRSF Protocol Supported



Using proprietary communication technology of RadioLink, DSSS and FHSS hybrid spread spectrum, as a foundation, we have added the CRSF* protocol from the TBS.

AT9S Pro is compatible with TBS Crossfire.

AT9S Pro Package List

Receiver x1

 Packing Box x1

User Manual x1

Transmitter x1

Lanyard x1

Hook and Spring x1