Compatibility:

FASST 2.4G: Air Systems (7CH Mode/Multi Mode) & Surface Systems (C1 Mode)
FrSky TF Modules: TF-8M, TF-14M

Specifications:

Number of Channels: 4
Operating Voltage Range: 3.5V~10V
Operating Temperature Range: -10℃~80℃
Dimension: 42*17*7mm
Weight: 4.6g

Features:

1) Compatible with FASST 2.4G: Air Systems (7CH Mode/Multi Mode) & Surface Systems (C1 Mode);
2) CPPM and RSSI (PWM) output - If CH3 and CH4 are connected by a jumper, CH1 will output CPPM for CH1~CH8, and CH2 will output RSSI (PWM);
3) Lighter weight and physically smaller;
4) Two selectable failsafe setting options.