Check the listing for details. FrSky X8R 2.4GHz S.BUS ACCST 8/16 Channel Telemetry Receiver w/Smart Port. Condition: New. Listed at 33.99 USD. This is the FrSky X8R 2.4GHz ACCST 8/16 Channel Telemetry Receiver. Supporting hub-less sensors as well as older hub analog sensors, this small receiver supports 8 standard servo outputs or you can access all 16 channels by using the S.Bus line with S.Bus supported servos, or use a FrSky S.Bus decoder for the full 16 channels. You can also use two X8R's receivers in combination and the channels will sync 1-8 channels on the first and 9-16 channels on the second receiver. Smart Port Smart Port (S. Port) is a signal wire full duplex digital transmission interface developed by FrSky. All products enabled with Smart Port (including XJT module, X8R receiver, hub-less sensors, Smart Dashboard, etc.), serial port user data and other user input/output devices can be connected without limitations for numbers or sequences at a high transmission speed. Features: 1-8 channels conventional channel outputs 1-16 channel use SBUS ports Combine two X8R to become 16 channel receiver With RSSI PWM output (0-3.3V) Smart Port enabled, realized two-way full duplex transmission Specifications: Compatibility: FrSky DFT/DJT/DHT/DHT-U in D_mode FrSky Taranis X9D/XJT in D8 mode FrSky Taranis X9D/XJT in D16 mode Firmware Upgradable: Yes Weight: 12.1g Case: 46.25 x 26.6 x 14.2mm (L x W x H) Operating Range: full range (>1.5km) Operating Voltage Range: 4.0~10V Operating Current: 100mA@5V Number of Channels: 16CH (1~8ch from conventional channel outputs, 1~16ch from SBUS port. Or combine two X8R to become a 16 channels receiver) About Us | View Store