The for RX as TX JR-Bay Modification Kit is a quick and easy DIY solution that takes advantage of the ELRS receiver's ability to upgrade via firmware into a TX module. This kit is compatible with a variety of controllers that have a JR bay, multi-colored shell. It supports 2-6S input voltage and 5V@1A output, ensuring stable power. The dual-antenna design converts the receiver into a for Gemini TX module, while the optional cooling fan ensures smooth operation. Paired with 915M/2.4G dual-frequency -type antennas, it allows for seamless frequency band switching. Model:For RX as TX JR-Bay Modification Kit Expansion Bay:JR Bay Input Voltage:2-6S Output Voltage:5V@1A Number of Antennas:Dual antennas Compatible Receivers:Receivers using ESP32 or ESP32-C3 chips Compatible with a wide range of controllers featuring a JR bay Handles 2-6S input, with 5V@1A output for steady power Three connection options for receivers, giving you flexibility Dual antenna design, instantly upgrading to a Gemini TX module Cooling fan supported Paired with 915M/2.4G dual-frequency -type antennas for convenience Open-source design files to fuel your creativity and expand possibilities Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Colour:Black Material:Plastic Package Contents: 1 * RX As TX JR-Bay Modification Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.