Futaba R404SBS 4 Channel F-4G-2.4GHz System Receiver  For 10PX (BLUK)
All new take for new 10PX set

The Futaba R404SBS F-4G T-FHSS 4-Channel 2.4Ghz Telemetry Receiver is a High Speed Response System For Surface Models.

Specifications:
Size: 25.5×20.7×10.6 mm
Weight: 5.7g
Operating Voltage: DC 3.7V-7.4V