Item: X6B i-BUS 2.4GHz 6CH Receiver Channels: 6(PWM), 8(PPM), 18(i-BUS) Model Type: Multi-Rotor Range: 2.408-2.475 GHz Wigth: 500KHz Number of bands: 135 Power: No more than 20 dBm RX Sensitivity: -95dBm 2.4GHz protocol: AFHDS 2A Modulation Type: GFSK Stick resolution: 1024 Low voltage alarm: Yes DSC port: PPM/PWM/i-BUS Antenna Length: 93mm (Dual Antenna) Power input: 4.0-8.4V On-line Update: Yes(Wireless) Range: 300m Weight: 4.5g Size: 36 x 22 x 7.5mm i-BUS Port: Yes Certificate: CE0678, FCC ID: N4ZX6B00 Compitable Transmitter: All AFHDS 2A Transmitter, for example -i10 -i6,-i6S, -i6X, -i4, -i4X. Note: Failsafe only work on PWM, not in PPM or IBUS. Color: As Shown Material: PC+Metal Package Contents: 1 * X6B 2.4GHz 6CH Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.