R304SB-E T-FHSS Telemetry System 4-Channel 2.4GHz Micro Receiver, for Electric Only
Features:
Power Requirement Rated Voltage: 4.8-7.4V
Usable Voltage: 3.5-8.4V
System: T-FHSS (auto detection) w/ SBUS2 port
Specifications:
Size: 35.1x23.2x12.5mm
Weight: 6.7g