UDI RC Inkfish Transmitter 2.4GHz 4-Channel Wireless Control UDI023-37

Overview

The UDI RC INKFISH TRANSMITTER UDI023-37 is a professional-grade 2.4GHz remote control system designed specifically for the UDI023 and UDI023PRO Inkfish jet boats. This advanced wireless transmitter forms the command centre of one of the most innovative watercraft systems available in the UK RC market today. The Inkfish represents a significant leap forward in RC boat technology, combining jet propulsion with intelligent electronics and intuitive control systems that make it equally accessible to beginners discovering RC water sports for the first time and experienced enthusiasts seeking high-performance aquatic models.

The UDI023-37 transmitter operates on the reliable 2.4GHz frequency band with an impressive 100-metre control distance, ensuring you maintain command of your boat across lakes, rivers and large water features without signal loss or interference. Whether you are testing the latest ready-to-run RC boat UK models or integrating this transmitter into a customised setup, the UA37 wireless control system delivers the responsiveness and reliability you need for confident piloting in any water conditions.

This is far more than a simple remote control—it is an intelligent interface featuring dual safety protection systems, low battery alarm functionality, and out-of-range warnings that keep you informed of your boat's status at all times. The transmitter gives you complete control over forward motion, reverse operation, precise steering left and right, and access to advanced features like navigation light control and the revolutionary one-click self-righting system that allows capsized boats to automatically return to normal operation.

Key Features

• 2.4GHz Wireless Control System — Operating on the secure 2.4GHz frequency band, this transmitter offers interference-free operation even in busy RC environments, with a substantial 100-metre control distance that puts you in command from any reasonable vantage point around your water feature.
• 100-Metre Control Range — Whether you are piloting across expansive lakes or testing your boat's capabilities in large public water features, the 100-metre effective range ensures you maintain stable connection and precise control without signal degradation or dead zones.
• Dual Safety Protection System — The transmitter integrates both low battery alarm and out-of-range warning systems, providing constant feedback about transmitter battery status and maintaining awareness if your boat ventures beyond control range, preventing loss of your model and ensuring predictable operation at all times.
• Intuitive Control Layout — The transmitter enables full forward and reverse throttle control, precise left and right steering adjustment, and access to multiple advanced functions including navigation light switching and the intelligent one-click return-to-normal capsizing recovery system.
• Navigation Light Control — Dedicated transmitter buttons allow you to toggle the Inkfish's front navigation lights and taillights independently, enabling night-time operation and helping you track your boat's orientation and position even in low-light conditions.
• Self-Righting Hull Activation — A single button press activates the boat's automatic self-righting system, allowing capsized vessels to flip back to normal operation instantly without requiring manual intervention or recovery from the water.
• Four AAA Battery Power — The transmitter runs on four standard 1.5V AAA batteries, making it simple to keep spare batteries on hand and avoid expensive proprietary battery systems that restrict your usage sessions.
• Balanced Design for Precise Handling — The transmitter architecture supports the Inkfish's sophisticated gyroscope-equipped receiver, enabling stable, predictable steering response and allowing even less experienced RC pilots to maintain control in challenging water conditions.

Technical Performance

The UDI RC INKFISH TRANSMITTER UDI023-37 represents peak engineering in compact wireless control technology, specifically calibrated for the demands of high-performance jet boat operation. The 2.4GHz frequency selection ensures compatibility with modern RC systems and eliminates the interference problems that plagued older 27MHz and 40MHz systems still found in legacy ready-to-run RC boat UK offerings. The transmitter communicates with a sophisticated 4-channel receiver integrated directly into the Inkfish hull, which incorporates a built-in gyroscope for enhanced stability and automatic compensation for drift during cornering and high-speed manoeuvres. This combination delivers response times measured in milliseconds, enabling precise throttle adjustment and steering control even when piloting the boat at speeds approaching 14 km/h for the standard brushed model or 20 km/h for the brushless UDI023PRO variant. The 100-metre effective range is achieved through high-output transmitter circuitry and antenna design that prioritises stability over extreme distance, meaning you get reliable control rather than marginal signal at maximum range. The dual protection systems are intelligent rather than merely passive—the low battery alarm activates at a predetermined threshold allowing for safe retrieval before complete power loss, whilst the out-of-range warning gives you real-time feedback about signal quality. The transmitter housing is engineered to withstand the moisture-rich environment surrounding water-based RC activities, with sealed button mechanisms preventing water ingress and corrosion during normal operation and storage in humid conditions.

What's in the Box

• UDI RC INKFISH TRANSMITTER UDI023-37
• User manual with full operation instructions
• This transmitter is compatible with both the UDI023 brushed and UDI023PRO brushless Inkfish jet boats

What You Need to Complete

• Four 1.5V AAA batteries to power the transmitter during operation
• The UDI023 or UDI023PRO Inkfish jet boat (transmitter is sold separately from boat bundles)

Frequently Asked Questions

• Is the UDI RC INKFISH TRANSMITTER UDI023-37 compatible with other RC boats? — No, this transmitter is specifically designed for the UDI Inkfish range and is paired with both the UDI023 standard brushed version and the UDI023PRO brushless variant. It is not compatible with other RC boat brands or models due to proprietary receiver pairing.
• What is the operating distance of this RC transmitter? — The UDI023-37 transmitter provides an effective control distance of approximately 100 metres, which is sufficient for most recreational water features including lakes, ponds, rivers and large reservoir environments throughout the UK.
• What type of batteries does the transmitter require? — The transmitter operates on four standard 1.5V AAA alkaline batteries, which are widely available and inexpensive, making it economical to keep spare sets on hand for extended RC sessions without downtime.
• Can I operate multiple Inkfish boats at the same time? — Each transmitter is paired to a specific boat receiver through the 2.4GHz digital system. Multiple boats can operate in the same area without interference due to automatic frequency coordination, but you would require a separate transmitter for each boat you wish to control simultaneously.
• Does the transmitter support the boat's self-righting feature? — Yes, the transmitter includes a dedicated button that activates the Inkfish's intelligent self-righting hull system, allowing capsized boats to automatically flip back to normal orientation without requiring manual intervention.
• Is this suitable for beginners to RC boating? — Yes, absolutely. The intuitive control layout with simple forward/reverse throttle and left/right steering makes this transmitter accessible to newcomers, whilst the dual safety warning systems and long 100-metre range provide confidence-building feedback that helps less experienced pilots maintain control and situational awareness.
• How does the low battery alarm function? — The transmitter continuously monitors its battery status and emits an audible alarm when battery voltage drops to a predetermined safe level, alerting you to change the AAA batteries before complete power loss occurs and you lose control of your boat.
• What is the difference between the standard UDI023 and UDI023PRO when using this transmitter? — This transmitter works identically with both models—the difference lies in the boat itself rather than the transmitter. The UDI023 uses a carbon brush motor with carbon brush motor specifications, whilst the UDI023PRO features a brushless 2812-KV3500 motor system with superior power and efficiency, but the transmitter interface and control functions remain the same.

Why Buy from RC Model Shop?

RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the UDI RC INKFISH TRANSMITTER UDI023-37 today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.