Happymodel

Happymodel ES900TX/ES900RX Long Range ELRS Module 915mhz

$1,644.59

ES900TX and ES900RX modules are a set of Long Range 915MHz/868MHz(optional) wireless transmission equipment developed and designed based on the open source software ExpressLRS. This set of modules 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 controllers, basically plug and play. We have specially customized the heat sink for the transmitter module, and also reserve the installation position of the 2006 fan which can help the transmitter module to operate stably under high power conditions.

New ES900TX module coming with a 2006 Fan, it would working automatically when the TX power is 250mw.

As ExpressLRS firmware is constantly being improved and updated, we strongly recommend that you use the ExpressLRS configurator update firmware to get the best experience
Configurator https://github.com/ExpressLRS/ExpressLRS-Configurator/releases
Firmware https://github.com/ExpressLRS/ExpressLRS/releases

 

ES900 RX ES900TX

MCU

ESP8285

ESP32+ESP8285

RF Chip

SX1276IMLTRT

SX1276IMLTRT

Antenna plug

IPEX1

SMA

Dimension

12mm*12mm*3mm

55mm*39mm*11mm

Weight

0.6g

/

Firmware upload Betaflight pass-through or Wifi

Wifi or Configurator


ES900TX and ES900RX kit Package include:

(868MHz or 915MHz optional)
ES900 TX module x1
ES900 RX module x1
TX antenna x1
RX antenna x2

Specifications:

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 (For >27dBm operation, we recommend add a fan for force cooling)

ES900RX
MCU: ESP8285
VCC input: 5v
Operation current: ~100Ma
Rx To FC protocol: CRSF
RF Frequency optional: 915mhz or 868mhz(EU)
Dimension: 12mm*12mm*3mm
Weight: 0.60 gram (exclude antenna)
Antenna connector:  IPEX1
Telemetry output Power: <17dBm
RC7 Firmware for ES900RX download:
ExpressLRS RC7 firmware for ES900 RX 915MHz and 868MHz [update by wifi]

Bind procedure:

  1. Supply power to the ES900RX, wait until the red LED on the ES900RX are off, immediately turn off the power, and then repeat again the above steps. When the ES900RX is powered on for the third time, the red LED light will start to double flash quickly, which means that the ES900RX enters the binding mode

  2. Insert the ES900TX or ES915TX module to Radio transmitter, and choose External RF mode to CRSF protocol, then you can find ELRS menu from the Radio systems, Enter into ELRS and press [Bind], the Red LED on the ES900RX module will turning off then start blinking slowly and finally getting to be solid , this means bind successfully.

ES900RX firmware update by wifi procedure:

  1. 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”

  2. 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.

Click to Download 3D Printed JR module mounting bay file for ES900TX/ES915TX

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