Happymodel micro ES900TX ES900RX 868mhz ELRS long range module

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ES900TX and ES900RX modules are a 915MHz/868MHz (optional) long range wireless transmission equipment kit designed and developed based.

This module kit is characterized by ultra long range, stable operation and low latency. The module is compatible with most Opentx remote controllers, especially suitable for Radiomaster TX16S and Jumper T12 T16 T18 series remote controls, basically plug and play. We specially set up the heatsink for the transmitter module, and also reserved a 2006 fan installation location, which can help the transmitter module to work stably under high power conditions. The new ES900TX module comes with a 2006 fan, it will work automatically when the TX power is 250MW.

Technical characteristics: ES900TX:

MCU: ESP32+ESP8285

Size: 55 mm * 39 mm * 11 mm

Weight: 9.2 grams (TX module only)

Antenna connector: SMA

VCC input: 5~13V, Recommended 5V~9V

Additional radio frequency: 915 MHz or 868 MHz (EU)

Maximum output power: <33dBm for operation >27dBm we recommend adding a fan for forced cooling)

Wi-Fi firmware update feature for ES900TX will be available shortly. ES900RX:

Working current: ~100 Ma

Rx To FC protocol: CRSF

Additional radio frequency: 915 MHz or 868 MHz (EU)

Size: 12mm*12mm*3mm

Apply power to the ES900RX, wait until the red LED on the ES900RX turns off, immediately turn off the power, then repeat the above steps again. When the ES900RX is powered on for the third time, the red LED will begin to flash twice rapidly, indicating that the ES900RX will enter pairing mode.

- Insert the ES900TX or ES915TX module into the radio transmitter and select the external RF mode for CRSF protocol, then you can find the ELRS menu in the radio systems, enter the ELRS and press [Bind], the red LED on the ES900RX module will turn off. then start flashing slowly and finally it will become steady, it means successful pairing.

Weight: 0.60 grams (without antenna)

Antenna connector: IPEX1

Telemetry output power: <17 dBm