This is the Futaba R6202SBW 2.4GHz FASST Dual SBus Receiver.

Features

• Utilizes digital serial data communication technology to transmit control signals between the receiver and servos using S.Bus hubs and cables (available separately)
• Easy programming with the SBC-1 Channel Setting Tool (FUTM4190)
• S-Bus receivers or PCLink software
• SBD-1 decoder cables (not included) allow the use of existing analog and digital servos
• Handles eight channels without S.Bus usage or as many as the available number of channels on transmitter with S.Bus use
• Prevents mismatched servo/channel connections
• Full-range receiver with DAD (Dual Antenna Diversity) that can be used in any flight application

Specifications

• Power Requirement: 3.7V or 7.4V battery or regulated output from ESC* 
• Dimensions: 1-7/8x1x9/16" (47x25x14mm) 
• Weight: 0.5oz (14.0g)