module ES915TX atau ES900TX atau board yg berbeda merk asalkan support ELRS

Spesification :
MCU : ESP8285
RF Chip : SX1276IMLTRT
Antenna Plug : IPEX 1
Dimension : 12mm*12mm*3mm
Weight : 0.6g (exclude antenna)
Firmware Upload : Betaflight pass-through or Wifi
Telemetry output Power: lt;17dBm RC7
Firmware for ES900RX download: ExpressLRS RC7 firmware for ES900 RX 915MHz and 868MHz [update by wifi]

ES900RX firmware update by wifi procedure: Make the ES900RX enter into Bind mode and then wait around 1 minute and don’t bind with it , then the ES900RX would get into Wifi mode automatically, you could connected the wifi hot pot “ExpressLRS RX” by enter the password “expresslrs” Visit the firmware update website by enter “10.0.0.1” , and choose the correct firmware then click “update” , wait for around 1~2 minutes, the update progress would finished and you can find “firmware update successful and reboot” , that means update is finished.