FrSky 2.4GHz Access Archer R4 Receiver

All of the Archer receivers are hyper-matched with the ACCESS protocol. They not only feature wireless firmware upgrades, increased range, and telemetry performance, the R4 now supports more functions like configurable telemetry power, S.Port/F.Port switching and FLR output. Additional valuable features are under development to unlock the true potential of the ACCESS protocol. FEATURES ACCESS protocol with Over The Air (OTA) Tiny and lightweight Supports signal redundancy (SBUS In) Full control range with telemetry S.Port / F.Port External battery / device voltage detection SPECIFICATIONS Dimension: 30*17*6.2mm(L*W*H) Weight: 3.8g 16/24 Configurable SBUS Channels 4 High-precision PWM Channels Operating Voltage Range: 3.5 -10V Operating Current: 2km, range may vary based on local conditions.) Voltage Measurement Range via AIN2 (External device): 0-3.3V Compatibility: All FrSky ACCESS transmitters