ELRS 2.4G tuner

Introduction: The ultra-small size 2.4G version ELRS tuner is suitable for installation inside the remote control of model aircraft

. 1. Product introduction:

This product is an ELRS2.4G tuner used in model aircraft remote controls. The remote controller needs to support the CRSF protocol before it can be used.

2. Application scenarios:

supports OPENTX system model aircraft remote control (Ruisikai X9D SE, TX16S, etc.)

supports CRSF protocol remote control (Tiandifei ET16, Fossil PL18, etc.)

3. Product Overview

ELRS 2.4G based on ESP32 and LORA module The tuner

is small in size and suitable for modifying the built-in tuner in the remote control. It has

a wide input voltage range of 4-18V and is compatible with input voltages of 2S-4S.

4. Product parameters:

1. Input voltage: 4-18V.

2. Working temperature range: -20℃-80℃.

3. Communication protocol: CRSF

4. Frequency: 2.4G

5. Maximum power: 500mW

6. Antenna: It is recommended to use an external antenna, and you need to prepare your own adapter cable.

7. Dimensions: 27mm long, 48.6mm wide

5. Instructions for use:

The 5P interface at the bottom is the program burning interface, and the 3P interface is the remote control CRSF signal input interface.

Back of main control

Front of main control

6. Note:

If you use an external antenna, you need to jumper the resistor on the edge of the IPEX base to the other end, and the antenna must be connected before powering on, otherwise the LORA radio frequency module may be burned out.

The antenna and adapter cable are not included in the BOM.

Please view the firmware, host computer software, antenna recommended links, and firmware burning tutorials in the attachment.