{"product_id":"goolrc-fgr4b-2-4ghz-afhds3-4-channel-receiver-for-flysky-pl18-nb4-transmitters","title":"GoolRC FGr4B 2.4GHz AFHDS3 4-Channel Receiver for Flysky PL18\/NB4 Transmitters","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe GoolRC FGr4B receiver delivers a compact 4-channel 2.4 GHz link for Flysky AFHDS3 systems. Its small footprint and lightweight build make it easy to install across a range of models, helping you keep wiring tidy while maintaining a dependable connection.\u003c\/p\u003e\n\u003ch2\u003eCompatibility and firmware\u003c\/h2\u003e\n\u003cp\u003eThe FGr4B supports AFHDS3 transmitters and is currently compatible with PL18 v1.0.55, NB4 v2.0.93, and NB4 Lite v1.0.10 and newer. The firmware uses high-frequency library version 3.0 to support the necessary AFHDS3 features and stability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAFHDS3 compatibility with Flysky transmitters\u003c\/li\u003e\n  \u003cli\u003e4-channel operation for versatile control\u003c\/li\u003e\n  \u003cli\u003e2.4 GHz link designed for low latency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFailsafe and safety behavior\u003c\/h2\u003e\n\u003cp\u003eThe failsafe function outputs the channel according to a protection value you set if the receiver loses its signal, offering predictable behavior while you regain control of the model.\u003c\/p\u003e\n\u003ch2\u003eBinding, updates, and usage\u003c\/h2\u003e\n\u003cp\u003eIf a firmware update causes a temporary binding issue, the receiver can be placed into forced update mode to restore compatibility and continue operation without major downtime.\u003c\/p\u003e\n\u003ch2\u003eDesign, installation, and support\u003c\/h2\u003e\n\u003cp\u003eThe design is small and light, enabling quick, unobtrusive installation in many airframes. If you encounter problems, contact our store for prompt assistance and a satisfactory solution.\u003c\/p\u003e\n\u003ch2\u003eKey benefits at a glance\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eReliable 2.4 GHz AFHDS3 link with Flysky transmitters for 4-channel control\u003c\/li\u003e\n  \u003cli\u003eCompact, lightweight form factor supports easy mounting and wiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuick setup notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify transmitter firmware compatibility: PL18 1.0.55, NB4 2.0.93, NB4 Lite 1.0.10 or newer\u003c\/li\u003e\n  \u003cli\u003eIf binding stalls after an update, try the forced update mode as needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn daily use, the GoolRC FGr4B aims to offer a dependable, flexible link with clear signals, while keeping installation simple and providing continued support from GoolRC.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What transmitters is the GoolRC FGr4B compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The FGr4B supports Flysky AFHDS3 transmitters, including PL18 v1.0.55, NB4 v2.0.93, and NB4 Lite v1.0.10 and newer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How does the failsafe feature work on the FGr4B?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If the signal is lost, the failsafe outputs the channel according to the user-defined protection value.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GoolRC","offers":[{"title":"Default Title","offer_id":46525757751495,"sku":"B09FFG69RK","price":56.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/2355\/7319\/files\/goolrc-fgr4b-receiver-front-view.jpg?v=1778391875","url":"https:\/\/toyterrax.com\/products\/goolrc-fgr4b-2-4ghz-afhds3-4-channel-receiver-for-flysky-pl18-nb4-transmitters","provider":"ToyTerrax","version":"1.0","type":"link"}