Specifications Item: R85C Receiver Power supply: DC 4.5 - 8.4V Frequency range: 2400-2483.5Mhz Support protocol: D8/D16/SFHSS Output channel: 5CH PWM Antenna type: high-sensitivity 2.4G antenna Telemetry power: 100mW / 20dBm Weight: 5.7 grams Dimensions: 31.0*18.5*13.0 mm Package Including: 1 * R85C Receiver 1 * User Card