User Manual

Receiver Specification and Port Description
1. GR-4 Receiver Specification
2. Receiver Port Description
Channel 2CH
Frequencies 2400 – 2483.5Mhz
Modulation FHSS
Input Voltage 3.6 ~ 8.4V
Output Power 60mW
Operating Current 35mA
Display Indicator One LED(red)
Extra Function Yes(Port3)
Fail Safe free/Fail safe
External Temp Sensor Port4(10 ~ 200`C)
External Voltage Sensor Port4(1.0 ~ 25.5V)
Telemetry Sensor Port3
Size 30x21x14.3 mm (1.18x0.82x0.56 in)
Weight 5.5 g ( 0.19 oz)
Function
Port1 Ch1 Signal output
Port2 Ch2 Signal output
Port3 Telemetry Sensor / Batt (HoTT-v1 Sensor only)
Port4 Temp Sensor/ Voltage Sensor
T/V Connector
B/T Connector
CH1 Connector
CH2 Connector