Specifications

Dimensions: 
20*12mm(0.79"*0.47")
Weight: 
1.2g (0.04oz)
Channel: 
16 channels
Antenna Length: 
90mm (3.54")
Antenna Connector:
Dual IPEX MHF 1
Refresh Rate:
100~500Hz
Protocol:
CRSF
Input Voltage:
4-9V DC
Operating Current: 
Depends on telemetry packet rate; 80 mA (±20) at 1:8 ratio
Output Frequency:
2.4GHz ISM band(2400MHz~2483.5MHz)
Spread Spectrum: 
LoRa(CSS)
Telemetry Power
Output: 100mW(20dBm)
Control Distance: 
Up to 5000 meters (tested in open, interference-free conditions, actual control distance may vary depending on the flight environment)
Default Firmware:
ExpressLRS 2.4G V3.3
Telemetry:
When connected to a flight controller and GPS, the voltage telemetry module, current, latitude, longitude, satellite count, etc.
Main Battery Voltage Telemetry Range:
Depends on the flight controller configuration
Response Latency: 
Depends on transmitter frequency settings
Operating Temperature: 
-20 ~ + 75℃
Compatible Transmitter: 
All transmitters are compatible with 2.4 GHz ExpressLRS high-frequency modules
Receiver Status Indicator Light:
Solid Light: Bound successfully / receiving signal
Double Flash: Binding mode active
Slow Flash: No signal received from transmitter
Fast Flash: Wi-Fi setup mode active