{"product_id":"src-114574-geprc-rx-as-tx-jr-bay-modification-kit","title":"GEPRC RX as TX JR-Bay Modification Kit - JR-Bay Modification Kit for ELRS RX-to-TX, 2-6S, Dual Antennas","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe GEPRC RX as TX JR-Bay Modification Kit is a \u003cstrong\u003eJR-Bay Modification Kit\u003c\/strong\u003e designed as a quick DIY solution that takes advantage of an ExpressLRS (ELRS) receiver’s ability to upgrade via firmware into an external TX module. Tagline: “Effortless Modification, Unleash Your DIY Spirit.”\u003c\/p\u003e\u003cp\u003eIt is compatible with a wide range of controllers featuring a JR bay, supports a dual-antenna JR-bay design (Ant1\/Ant2), and offers quick connections using pogo pins, SH1.0, or soldering. The 3D-printed version uses a vibrant multi-color PLA shell and includes receiver mounting parts designed for GEPRC receivers.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStandard JR-bay with dual-antenna support and a vibrant multi-color 3D printed shell\u003c\/li\u003e\n\u003cli\u003eDual Antenna Design\u003c\/li\u003e\n\u003cli\u003eCooling Fan \/ compatible with active cooling fan (dedicated fan mounting space and optimized airflow design)\u003c\/li\u003e\n\u003cli\u003eJR-Bay Layout\u003c\/li\u003e\n\u003cli\u003eQuick Connections\u003c\/li\u003e\n\u003cli\u003eThree Connection Methods: quick receiver connection via pogo pins, SH1.0, or soldering\u003c\/li\u003e\n\u003cli\u003eGEPRC Receiver Quick Install: custom mount for GEPRC receivers enables quick installation with pogo pins (for a cleaner look)\u003c\/li\u003e\n\u003cli\u003ePaired with 915M\/2.4G dual-band T-type antennas for convenient band switching\u003c\/li\u003e\n\u003cli\u003eFully open-source PCB and shell design files available for customization (JR-bay shell or PCB)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eGEPRC RX as TX JR-Bay Modification Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpansion Bay\u003c\/td\u003e\n\u003ctd\u003eJR Bay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e2-6S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e5V@1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003ePLA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Antennas\u003c\/td\u003e\n\u003ctd\u003eDual antennas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Receivers\u003c\/td\u003e\n\u003ctd\u003eReceivers using ESP32 or ESP32-C3 chips\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Method\u003c\/td\u003e\n\u003ctd\u003eSoldering, SH1.0 connectors, pogo pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eFor compatibility and setup questions, contact \u003ca href=\"https:\/\/rcdrone.top\/\"\u003ehttps:\/\/rcdrone.top\/\u003c\/a\u003e or email \u003ca href=\"mailto:support@rcdrone.top\"\u003esupport@rcdrone.top\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eInstallation\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eOpen the ExpressLRS Configurator or use the ELRS online flashing website: \u003ca href=\"https:\/\/expresslrs.github.io\/web-flasher\/\"\u003ehttps:\/\/expresslrs.github.io\/web-flasher\/\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eSelect the corresponding receiver model.\u003c\/li\u003e\n\u003cli\u003eIn the advanced settings, enable the “RX as TX” option and set it to “external” TX.\u003c\/li\u003e\n\u003cli\u003eFollow the standard flashing procedure to install the “RX as TX” firmware. After rebooting, the receiver will function as a TX module.\u003c\/li\u003e\n\u003cli\u003eWire the receiver to the kit: connect receiver \u003cstrong\u003eGND, 5V, TX\u003c\/strong\u003e to the JR-Bay Modification Kit \u003cstrong\u003eGND, 5V, SP\u003c\/strong\u003e respectively.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cul\u003e\n\u003cli\u003eVisible JR-bay\/connection labels: \u003cstrong\u003eNC\u003c\/strong\u003e, \u003cstrong\u003eSP\u003c\/strong\u003e, \u003cstrong\u003e5V\u003c\/strong\u003e, \u003cstrong\u003eGND\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eConfigurator items shown: Compatibility options include \u003cstrong\u003eRCVR_UART_BAUD\u003c\/strong\u003e and \u003cstrong\u003eRX_AS_TX\u003c\/strong\u003e; value set to \u003cstrong\u003eexternal\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdvanced Settings values shown: WiFi “auto on” interval \u003cstrong\u003e60 seconds\u003c\/strong\u003e; “RX as External TX module (Half-duplex)”; TLM report interval \u003cstrong\u003e240 milliseconds\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOpen-Source Files\u003c\/h2\u003e\u003cp\u003eThe PCB and shell design files for the RX as TX JR-Bay mod kit are fully open-source. Download: \u003ca href=\"https:\/\/geprc.com\/support\/download\/download-the-open-source-pcb-board-and-shell-design-files-here\/\"\u003ehttps:\/\/geprc.com\/support\/download\/download-the-open-source-pcb-board-and-shell-design-files-here\/\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\u003ch3\u003eBasic Kit Includes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRX as TX JR Bay PCBA board x1\u003c\/li\u003e\n\u003cli\u003e915M\/2.4G dual-band T-antennas x2\u003c\/li\u003e\n\u003cli\u003eIPEX1 to SMA right-angle cables (outer thread, inner hole) x2\u003c\/li\u003e\n\u003cli\u003eCooling fan x1\u003c\/li\u003e\n\u003cli\u003e4-pin pogo pin x1\u003c\/li\u003e\n\u003cli\u003e4-pin silicone cable x1\u003c\/li\u003e\n\u003cli\u003eM2*5 screws x6\u003c\/li\u003e\n\u003cli\u003eM1.4*6 self-tapping screws x8\u003c\/li\u003e\n\u003cli\u003eM1.4*8 self-tapping screws x8\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e3D-Printed Kit Includes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e3D-printed bottom shell for RX as TX JR Bay x1\u003c\/li\u003e\n\u003cli\u003e3D-printed top cover for RX as TX JR Bay x1\u003c\/li\u003e\n\u003cli\u003e3D-printed mounting base for \u003ca href=\"https:\/\/rcdrone.top\/collections\/geprc\" title=\"GEPRC\"\u003eGEPRC\u003c\/a\u003e GemX Gemini receiver x1\u003c\/li\u003e\n\u003cli\u003e3D-printed top cover for GEPRC GemX Gemini receiver x1\u003c\/li\u003e\n\u003cli\u003e3D-printed mounting base for GEPRC DUAL 915M Diversity receiver x1\u003c\/li\u003e\n\u003cli\u003e3D-printed top cover for GEPRC DUAL 915M Diversity receiver x1\u003c\/li\u003e\n\u003cli\u003e3D-printed 5-pin connector mounting part x1\u003c\/li\u003e\n\u003cli\u003eRX as TX JR Bay PCBA board x1\u003c\/li\u003e\n\u003cli\u003eDual-band T-type antennas (915M\/2.4G) x2\u003c\/li\u003e\n\u003cli\u003eIPEX1 to SMA right-angle cables (outer thread, inner hole) x2\u003c\/li\u003e\n\u003cli\u003eCooling fan x1\u003c\/li\u003e\n\u003cli\u003e4-pin pogo pin x1\u003c\/li\u003e\n\u003cli\u003e4-pin silicone cable x1\u003c\/li\u003e\n\u003cli\u003eM2*5 screws x6\u003c\/li\u003e\n\u003cli\u003eM1.4*6 phillips self-tapping screws x8\u003c\/li\u003e\n\u003cli\u003eM1.4*8 phillips self-tapping screws x8\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetails\u003c\/h2\u003e\u003cimg alt=\"GEPRC RX as TX JR-Bay modification kit module with dual antennas, cooling fan grille, and orange-gray case\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/GEPRC-RX-as-TX-JR-Bay-Modification-Kit.webp?v=1774358838\"\u003e\u003cp\u003eThe GEPRC RX as TX JR-Bay modification kit features dual antennas and a built-in cooling fan in a JR-bay style module housing.\u003c\/p\u003e\u003cimg alt=\"GEPRC RX as TX JR-Bay Modification Kit, GEPRC JR-bay modification kit module with dual SMA antenna connectors and orange-gray 3D printed shell\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/GEPRC-RX-as-TX-JR-Bay-Modification-Kit_9118a7fb-a259-41b5-a619-6d02a7fca6fe.webp?v=1774358864\"\u003e\u003cp\u003eThe JR-bay modification kit uses a dual-antenna design with two top-mounted SMA ports in a durable 3D-printed shell.\u003c\/p\u003e\u003cimg alt=\"GEPRC RX as TX JR-bay modification kit PCB showing pogo pins, SH1.0 plug, and SP\/5V\/GND solder pads\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/GEPRC-RX-as-TX-JR-Bay-Modification-Kit_aa3edd3f-85b0-409f-8a7f-52f9c29a96ce.webp?v=1774358889\"\u003e\u003cp\u003eThe GEPRC JR-bay modification kit supports receiver wiring via pogo pins, an SH1.0 connector, or solder pads labeled SP, 5V, and GND.\u003c\/p\u003e\u003cimg alt=\"GEPRC RX as TX JR-Bay Modification Kit, GEPRC receiver quick-install mount in a JR bay with pogo-pin connector and 915M\/2.4G receiver modules\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/GEPRC-RX-as-TX-JR-Bay-Modification-Kit_9eee21a2-bea4-427d-a60d-1856acf55e53.webp?v=1774358910\"\u003e\u003cp\u003eThe GEPRC JR-bay receiver mount uses pogo-pin contacts for a quick, clean install when converting an RX module for TX use.\u003c\/p\u003e\u003cimg alt=\"GEPRC RX as TX JR-Bay Modification Kit, GEPRC JR-bay RX-as-TX modification module with dual antenna leads and a top-mounted active cooling fan\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/GEPRC-RX-as-TX-JR-Bay-Modification-Kit_7df17a41-ef55-4151-a33d-bafd2af45e3c.webp?v=1774358930\"\u003e\u003cp\u003eThe GEPRC JR-bay modification kit includes a compact receiver module with a dedicated active cooling fan mount and airflow-friendly housing.\u003c\/p\u003e\u003cimg alt=\"GEPRC RX as TX JR-Bay Modification Kit, RX as TX firmware flashing instructions screen with ExpressLRS Configurator settings for RX_AS_TX set to external\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/GEPRC-RX-as-TX-JR-Bay-Modification-Kit_fc15f801-1c85-49a2-a8b4-f3f9c8e7cdc9.webp?v=1774358949\"\u003e\u003cp\u003eExpressLRS advanced settings let you enable RX_AS_TX and set it to an external TX so a receiver can be flashed to work as a TX module.\u003c\/p\u003e\u003cimg alt=\"GEPRC RX as TX JR-Bay Modification Kit, GEPRC RX as TX JR-Bay mod kit open-source files with 3D-printed shell CAD and PCB layout render\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/GEPRC-RX-as-TX-JR-Bay-Modification-Kit_c21c1a9e-1a8e-4360-8b89-6aa025fecedf.webp?v=1774358990\"\u003e\u003cp\u003eOpen-source PCB and JR-bay shell design files let you 3D print parts or customize the RX as TX JR-Bay modification kit.\u003c\/p\u003e\u003cimg alt=\"Specifications table for GEPRC RX as TX JR-Bay modification kit, 2–6S input, 5V@1A output, dual antennas\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/GEPRC-RX-as-TX-JR-Bay-Modification-Kit_458566c5-40f6-484b-a437-0c389a8f3af4.webp?v=1774359007\"\u003e\u003cp\u003eGEPRC RX as TX JR-Bay Modification Kit supports 2–6S input, 5V@1A output, and soldering, SH1.0 connectors, or pogo pin connections.\u003c\/p\u003e\u003cimg alt=\"GEPRC RX as TX JR-bay modification kit module with orange housing, cooling vent, and two dual-band antennas\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/GEPRC-RX-as-TX-JR-Bay-Modification-Kit_864c3e7e-8796-4b88-a766-badae9d36a0b.webp?v=1774359027\"\u003e\u003cp\u003eThe GEPRC JR-bay modification module features a compact housing with dual coax antennas for flexible placement on your radio setup.\u003c\/p\u003e\u003cimg alt=\"GEPRC RX as TX JR-bay modification kit module with orange case, cooling vents, and dual antenna cables\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/GEPRC-RX-as-TX-JR-Bay-Modification-Kit_fd5fcb28-5a31-41b1-9f84-b051148121b5.webp?v=1774359046\"\u003e\u003cp\u003eThe GEPRC RX as TX JR-bay modification kit uses a compact module with dual antennas to support a cleaner radio-bay setup.\u003c\/p\u003e\u003cimg alt=\"GEPRC RX as TX JR-Bay modification kit contents list with PCBA board, antennas, SMA cables, fan, and screws\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/GEPRC-RX-as-TX-JR-Bay-Modification-Kit_f202eeec-85d5-4331-9467-bd58bd6ec1fb.webp?v=1774359065\"\u003e\u003cp\u003eThe GEPRC RX as TX JR-Bay modification kit includes a JR Bay PCBA board, dual-band T-antennas, IPEX1-to-SMA cables, a cooling fan, and mounting hardware.\u003c\/p\u003e\u003cimg alt=\"GEPRC RX as TX JR-Bay modification kit contents list showing 3D-printed shells, PCBA, antennas, cables, fan, and screws\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/GEPRC-RX-as-TX-JR-Bay-Modification-Kit_c5478ab6-cccd-43fb-ae9f-ceb1e1f079dc.webp?v=1774359088\"\u003e\u003cp\u003eThe GEPRC RX as TX JR-Bay modification kit includes 3D-printed housings, an RX as TX JR Bay PCBA board, dual-band T antennas (915M\/2.4G), IPEX1-to-SMA right-angle cables, a cooling fan, and mounting hardware.\u003c\/p\u003e","brand":"GEPRC","offers":[{"title":"Basic Kit","offer_id":51132879175904,"sku":"GP107538","price":25.49,"currency_code":"USD","in_stock":true},{"title":"3D-Printed Kit","offer_id":51132879208672,"sku":"GP107539","price":29.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/GEPRC-RX-as-TX-JR-Bay-Modification-Kit---JR-Bay-Modification.jpg?v=1774358711","url":"https:\/\/rcdrone.top\/products\/src-114574-geprc-rx-as-tx-jr-bay-modification-kit","provider":"RCDrone","version":"1.0","type":"link"}