Happymodel ES900RX is a 750MHz/915MHz long-range receiver designed and developed based on ExpressLRS open source software. Compatible with transmit modules based on ExpressLRS firmware.
Features
RF Frequency:
750MHz
915MHz
Telemetry output power: < 17dBm
Rx To FC Protocol: CSRF
VCC Input: 5V
Operating current: ~ 100mA
Antenna connector: IPEX1/U.FL
Processor: ESP8285
RF chip: SX1276IMLTRT
Firmware update: Betaflight pass-through or WiFi
Size: 12 x 12 x 3mm
Weight: 0.6g (without antenna)
Accessories
1 x Happymodel ExpressLRS ES900RX 750MHz/915MHz receiver
1 x T-shaped receiving antenna
1 x T-shaped spiral receiving antenna
Recommendations
Procedure for linking the ES915TX module to the ES900RX receiver:
Apply power to the ES900RX, wait for the red LED on the ES900RX to turn off, immediately turn the power off, and then repeat the above steps. When the ES900RX turns on for the third time, the red LED starts flashing rapidly twice, indicating that the ES900RX is entering tethering mode.
Insert the ES900TX or ES915TX module into the radio transmitter and select external RF mode for CRSF protocol, then you can find ELRS menu in radio systems, enter ELRS and press [Bind], the red LED on the ES900RX module will turn off, then start blinking slowly and finally turn on steady, it means the radio equipment and receiver are successfully bound.
Upgrade the ES900RX receiver firmware via Wi-Fi:
Put the ES900RX into tethering mode, and then wait about 1 minute without tethering it, then the ES900RX will automatically go into Wi-Fi mode, you can connect to the Wi-Fi hotspot "ExpressLRS RX" by entering the password "expresslrs"
Visit the firmware update website by entering "10.0.0.1" and select the correct firmware, then click "update", wait about 1-2 minutes, the update process will complete and you will see "firmware update completed successfully and reboot", which means the update is complete.
Brand: HappymodelSKU 17712
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