OEM Available 丨 Wholesale Support 丨 Quality Tested
RadioMaster 2.4GHz RM4IN1 Multi Protocol Module FPV TX Transmitter Connector Long Range Radio for Racing Drone
RadioMaster 2.4GHz RM4IN1 Multi Protocol Module FPV TX Transmitter Connector Long Range Radio for Racing Drone
Product Highlights
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Integrated with Four RF Chips
Equipped with CC2500 + NRF24L01 + A7105 + CYRF6936 RF chips, supporting 70+ mainstream radio frequency protocols for broad device compatibility. -
Universal Compatibility
Supports a wide range of popular brands and protocols, including FrSky, DSM2/DSMX, all Flysky series, SFHSS, HiTec, HoTT, Radiolink, OMP, and more. -
100mW (+20dBm) High-Power Transmission
Provides reliable long-range signal transmission on the legal 2.4GHz ISM frequency band, designed for aircraft, cars, boats, and other RC models. -
Dual Nano & JR Adapter Mounts
Features both Nano and JR module adapter bases, fully compatible with ZORRO, TX12, TX16S MKII, and all RadioMaster transmitters. -
Built-in Wireless Trainer Link
Enables wireless trainer mode between two transmitters via RM4IN1, eliminating the need for traditional trainer cables. -
Wide DC Input Range & Low Power Consumption
Supports DC 4.5–8.4V input with an ultra-low operating current of approximately 100mA, making it highly efficient and battery-friendly for radio transmitters. -
Stable Transmission with Metal Heat Sink Housing
Features a durable metal heat-dissipation enclosure for improved stability and reliability.
A USB Type-C port allows convenient firmware updates and flashing. -
Ultra-Lightweight & Compact Design
Weighing only 30g (excluding antenna), with a compact structure that keeps the transmitter screen unobstructed. -
Detachable SMA Omnidirectional Antenna
Equipped with a removable SMA omnidirectional antenna, compatible with a wide range of high-gain 2.4GHz antennas. -
Native OpenTX / EdgeTX Support
Fully integrated with OpenTX and EdgeTX, allowing direct protocol switching through the transmitter menu.
Pairs well with
In stock! Ships within 1-5 business days.
Bulk Pricing Available
1-Year Warranty
Complimentary shipping & returns
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
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Customer Support
Factory Introduction
As a dedicated FPV drone parts factory, we focus on delivering reliable hardware solutions for the global drone industry. Equipped with professional production capabilities, strict quality control, and flexible customization services, we manufacture and supply a wide range of FPV components for wholesalers, retailers, and drone companies worldwide.
FAQs
Please read our FAQs page to find out more.
How can I confirm this product is compatible with my FPV or drone project?
Check the operating voltage, dimensions, mounting pattern, connector type, communication protocol, firmware support, and other specifications listed on the product page. If you are unsure, send us your current component list, battery setup, intended application, and required quantity for a compatibility review.
Do you offer samples and wholesale pricing for FPV drone products?
Yes. Sample orders are available for many products, and volume-based quotations are available for retailers, distributors, integrators, training organizations, and project buyers. Pricing and minimum order quantities depend on the product, quantity, packaging requirements, and delivery destination.
Can FpvSupplyCo support OEM, ODM, or custom drone requirements?
Yes. Depending on the product and order quantity, we can support component selection, custom configurations, firmware setup, private-label branding, manuals, packaging, assembly, quality inspection, and complete drone solutions. Send us your specifications and estimated quantity for review.