Model:DBR4 dual-band dual-channel for Gemini ExpressLRS receiver
Type:ISM 2.4GHz/FCC 915MHz
RF chip:Semtech LR1121 x 2
RF power:Max100mW
Antenna:2x2.4GHz antenna; 2x915MHz antenna
Frequency range:2.404 - 2.479 GHz/903.5 - 926.9 MHz
MCU:ESP32
Maximum receiver refresh rate:500Hz (ExpressLRS V3.4 will soon support 1000Hz)
Minimum receiver refresh rate:50Hz
Operating voltage:DC 4.5-8.4V
Pre-installed firmware version:ExpressLRS V3.3.2
Bus interface:CRSF
Colour: Black
Material: PCB
Package Contents:
1 * Receiver
2 * 2.4ghz Antennas
2 * 915mhz Antennas
1 * CRSF Line
4 * 4mm Red Shock Absorbing Pads
4 * 3mm Black Shock-Absorbing Pads
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
CONTACT US
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How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
