GEPRC LINKFLOW 915M/2.4G DUAL-BAND TX Module｜FPV 配件

GEPRC LINKFLOW 915M/2.4G DUAL-BAND TX Module｜FPV 配件

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Summary

Developed by the GEPRC team based on the open-source ExpressLRS project, the next-generation LINKFLOW 915M/2.4G DUAL-BAND TX Module is officially released.

It features a standard JR bay form factor and is built around the Semtech third-generation LR1121 RF chip, supporting 868/915MHz and 2.4GHz frequency bands to deliver advanced dual-band communication performance.

With a maximum output power of up to 1000mW, combined with an adjustable-speed cooling fan for efficient heat dissipation, the module effectively reduces operating temperature during high-power transmission.

A TCXO is used to minimize frequency drift caused by temperature changes, ensuring long-term system stability and reliable performance.

The module integrates a backpack chip, enabling linkage with various peripherals and expanding functional possibilities. A reserved UART port is also provided, allowing the module to be used as a communication repeater or configured as a high-power receiver.

In addition, the LINKFLOW 915M/2.4G DUAL-BAND TX Module features RGB LEDs for system status indication, an XT30 power input supporting 2–6S, and supports firmware upgrades via USB and WiFi, offering flexible and user-friendly operation.

Features

Next-gen ExpressLRS TX module that features a standard JR bay design

Built on Semtech’s third-generation LR1121 RF chip

Supports 868M/915M, 2.4G operating mode

Up to 1000 mW output power

Active cooling with a built-in high-speed fan

Equipped with a temperature-compensated crystal oscillator (TCXO) for stable performance in extreme temperatures

Integrated backpack chip for enhanced peripheral interaction

Reserved UART port for repeater use or high-power receiver configuration

Supports 2–6S external battery input

RGB LEDs for system status indication

Easy firmware updates via USB or WiFi

Specifications

Model: GEPRC LINKFLOW 915M/2.4G DUAL-BAND TX Module

Operation Bands: 915MHz(FCC),868MHz(EU),2.4GHz(ISM)

Module Bay Type: JR Bay

Main Chip: ESP32

Backpack Chip: ESP32-C3

RF Chip: LR1121

Output Power: 1000mW

Oscillator: TCXO

Refresh Rate: 50Hz-500Hz(LoRa),1000Hz(FSK)

Antenna Connector: SMA

Wi-Fi: Supported

RGB Indicator: Supported

External Power: 2-6S

Weight: 60g(without antenna)

Firmware: GEPRC LINKFLOW 900/2400 Dual-Band TX

Includes

1 x LINKFLOW 915M/2.4G DUAL-BAND TX Module

1 x 915M/2.4G Dual-Band T-antennas

1 x GH1.25 3pin Cable

1 x Metal Dust Filter Mesh

1 x User manual