1、The FS-A8S is a compact one-way receiver 2、It is designed for multi-rotor aircraft 3、It uses the AFHDS 2A (Automatic Frequency Hopping Digital System) protocol, and supports standard PPM output as well as has i-BUS support for up to 18 channels 4、The receiver is suitable for FS-i4, FS-i6, FS-i6S, FS-i6X, FS-i10, FS-GT2E, FS-GT2G, FS-GT2F RC transmitter 5、Changing mode (i-BUS / S.BUS) is simplier and easier Features: The FS-A8S is a compact one-way receiver. It is designed for multi-rotor aircraft. It uses the AFHDS 2A (Automatic Frequency Hopping Digital System) protocol, and supports standard PPM output as well as has i-BUS support for up to 18 channels. The receiver is suitable for FS-i4, FS-i6, FS-i6S, FS-i6X, FS-i10, FS-GT2E, FS-GT2G, FS-GT2F RC transmitter. Changing mode (i-BUS / S.BUS) is simplier and easier. Specification: Material: PCB + Rubber Color: Black Brand Name: Flysky Item Name: FS-A8S Receiver Channels: PPM 8CH, i-BUS 18CH Model Type: Multi-rotor Frequency range: 2.408-2.475GHz Band width: 500KHz Band number: 135 RX Sensitivity: -92 dBm 2.4GHz System: AFHDS 2A Modulation Type: GFSK DSC Port: PPM/i-BUS/S.BUS Transfer Method: FHSS Data Output: 1.5mm*3 Pin  PPM/i-BUS/S.BUS Antenna Length: 26mm (Not including brass contacts) Input Power Supply: 4.0-8.4V Display Method: LED No ground interference ( Transmitting and receiving 1 m from the ground): >300m Working current: 40mA Each Channel Data: Depend On The Transmitter Channel Delay: <15mS Certificate: CE0678, FCCID: N45ZA8S00 Compatible Transmitter: Compatible with FS-i4, FS-i6, FS-i6S, FS-i6X, FS-i10, FS-GT2E, FS-GT2G, FS-GT2F Size: Approx. 20 * 15 * 7mm / 0.8 * 0.6 * 0.3inch Weight: 9g Type: RC Model Part & Acces Package List: 1 * Flysky FS-A8S 2.4G 8CH Mini Receiver 1 * Cable 1 * Manual