SPARKHOBBY ELRS Micro ES900RXReceiver ES900TXModule Combo Kit 915MHz ExpressLRS Firmware for Happymodel RX TX for RC FPV Long Range Racing Drones (only ES900RX 915)

Description

• ExpressLRS FPV ELRS Long Range ES900TX High Frequency Head ES900RX Receiver Module
• The ES900TX and ES900RX modules are a set of long-distance 915MHz/868MHz wireless transmission devices developed and designed based on the open-source software ExpressLRS. These modules are characterized by ultra long distance, stable operation, and low latency.
• compatible with the vast majority of Opentx , especially suitable for the Radiomaster TX16S and Jumper T12 T16 T18 series RC, which are basically plug and play. We have specially customized a cooling module for the transmission module and added a 2006 cooling fan for the new version of ES900TX, which can help the transmission module operate stably under high power conditions. The fan is plug and play, and automatically operates when the transmission module power is set to 250mw.
• The receiver module is very small and mini, weighing only 0.6g without an antenna, making it very suitable for various types of Whoop traversing machines and Toothpick toothpick machines to be used together. Both the high-frequency head module and receiver module can be selected from 915MHz or 868MHz, and we have already programmed and tested them before leaving the factory.

Item: ExpressLRS ES900TX ES900RX 915MHz Long Range Module
Parameters:
ES900RX:
MCU:ESP8285
VCC input: 5V
Operation current: ~100Ma
Rx To FC protocol: CRSF
RF Frequency optional: 915mhz or 868mhz
Dimension: 12mm*12mm*3mm
Weight: 0.60 gram (exclude antenna)
Antenna connector: IPEX1
Telemetry output Power: <17dBm

ES900TX:
MCU:ESP32+ESP8285
Dimension: 55mm*39mm*11mm
Weight: 9.2gram (only the TX module)
Antenna connector: SMA
VCC input: 5~13V, Recommend 5V~9V
RF Frequency optional: 915mhz or 868mhz(EU)
Maximum Output Power: <33dBm

Frequency alignment steps for the new ES900RX receiver:
1. Power up the ES900RX receiver, turn off the power immediately after the LED on the receiver goes out, and then repeat it again. After supplying power to the ES900RX for the third time, the LED lights on the receiver will start to double flash, indicating that the ES900RX receiver has entered frequency synchronization mode.
2. Connect the ES900TX or ES915TX high-frequency head module, select the CRSF protocol in the remote control module options, then find the ELRS option, enter and select BIND. After successful frequency matching, the LED light on the receiver will first turn off, then slowly flash and then remain on.

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