Radiolink is a high technology manufacturing company dedicated to researching, manufacturing and marketing of RC model radio transmitters. Our products included: RC transmitter, flight controller, receiver, GPS, drone etc. We are committed to providing customers with a high reliability and high performance product solution, as well as providing technical support and friendly after-sales service.

【Super Mini Size】: Total 2.5g lightweight, 16.0*21.5*1.0mm. 2048 section precision, 0.5us per section, servo anti-shake rudder.
【8 Channels】: 2.4G 8 channels receiver, for T8S/T8FB of Radiolink’s transmitter, it a good choice for tiny racing drone.
【Two Signal Working Mode】:Support SBUS/PPM signal output.
【Stable Control Distance】: 2000 meters control distace in air, actually control distance depends on the environment

Please note:
1.R8FM 8CH receiver only work with Radiolink transmitter products: T8S/T8FB.

S-BUS and PPM signal change:
1.Short press the binding button twice within 1 second to switch the S-BUS signal to PPM signal. When the Red indicator is on, signal output is PPM. When the Blue/purple led is on, signal output is SBUS.
2.Blue/purple LED, S-BUS signal, 8 channels totally; Red LED, PPM signal, 8 channels totally.

How to match code with transmitter:
1. Put the transmitter and the receiver close to each other within 50 centimeters.
2. Power on the transmitter and R8SM. The RED led on R8SM will start flashing slowly.
3. Switch on the transmitter and it will automatically bind to the closest receiver.
4. There is a black binding button on the side of receiver. Press the button for more than 1 second and release, the LED will flash quickly, meaning binding process is ongoing.
5. When the LED stops flashing and is always on, binding is complete.