Futaba R3006SB T-FHSS Receiver. Features bi-directional communication with a T-FHSS transmitter to utilize an array of telemetry sensors, S.Bus and S.Bus2 ports, along with 6 standard PWM ports; Dual Antenna Diversity, Easy Link, High Voltage, Battery Fail Safe, Channel Mode.
Specifications: Type: Full-range flight receiver
Voltage Input: 4.8V-7.4V
Dimensions: 1.7 x 0.98 x 0.35 in (43 x 25 x 8.8 mm)