Built around frequency-agile DSMR technology, the SR315 receiver delivers superb range and response, especially in noisy RF environments where a solid 2.4GHz link is crucial. Not only is the 2.4ghz link solid, this model also implements our lightning fast 5.5ms frame rate, providing a quicker , low-latency connection for the pro-level enthusiast.
The SR315 also features a new, modern case design that is small, streamlined, and ready for nearly any RC application. The case also features added antenna support and an integrated antenna tube slot for seamlessly easy installation.
No more bind plugs! Instead, an easy-to-use bind button is used to enter the bind mode. Plus, while binding, you have the choice of SmartSafeT as well as preset 'Gas' failsafe options. All combined, Spektrum gives drivers more features in an affordable receiver, so you can drive with confidence..
Features- Streamlined design in a compact and lightweight hard-case
- Bind-button eliminates the need for a bind plug
- SmartSafeT Failsafe and Preset "Gas Mode" Failsafe options
- Outstanding range and 5.5ms capable DSMR technology
- Ideal for nearly any surface RC model
Compact DesignThe SR315 is capable of being placed in very small and tight builds. We eliminated un-needed angles to streamline the receiver casing and to make installation easier than ever before. The case also features added antenna support and an integrated antenna tube slot for those custom models that do not provide a route for the antenna installation..
Bind ButtonNew technology eliminates the need for the old bind plug. With The SR315 a top-located button makes binding more convenient than ever while two bind-sequence options make the process simpler by allowing you to bind while powering up or after receiver power is connected.
Gas Mode Failsafelt into The SR315 is our newest failsafe mode for surface applications, Gas Mode Failsafe. Easyily selectable during binding, Gas Mode allows users to preset the failsafe position of all available channels. Additionally drivers can utilize SmartSafe T failsafe which drops throttle to the lowest point and holds the last known command on the rest of the available channels.
- Product Type: 3-Channel DSMR Surface Receiver
- Manufacturer: Spektrum
- Model Number: SPMSR315
- Channels: 3
- Frequency Band: 2.4GHz
- Modulation: DSMR (Digital Spectrum Modulation Radio)
- Protocols Supported: Spektrum DSMR/DSM2 2.4GHz Protocol and SLT FHSS 2.4GHz Protocol
- Frame Rate: 5.5ms capable
- Antenna Length: 9 inches (229mm)
- Bind Method: Bind Button (top-located)
- Failsafe Options: SmartSafe™ Failsafe and Preset Gas Mode Failsafe
- Input Voltage: 3.5V to 9.6V
- Product Weight: 0.21 oz (6.0 grams)
- Product Length: 1.28 inches (32.7mm)
- Product Width: 0.84 inches (21.4mm)
- Product Height: 0.53 inches (13.6mm)
- Case Design: Compact and streamlined hard-case with integrated antenna tube slot
- Data Port: No
- Serial Output: None
- Receiver Ports: 0
- Forward Programming: No
- Programmable: No
- Integrated Variometer: No
- Telemetry: No telemetry
- Water-Resistant: No
- Smart Technology Ready: Yes (compatible with Spektrum Smart batteries and ESCs)
- Application: Surface RC models
- Range: Full remote receiver range
Overview
The Spektrum SR315 DSMR 3-Channel Sport Receiver is a compact, feature-rich receiver designed for surface RC models of all types. Whether you're running an RC car, truck, buggy, or crawler, this receiver delivers the advanced technology and reliability that UK RC enthusiasts demand. Built around frequency-agile DSMR technology, the SR315 provides superb range and response, particularly in challenging RF environments where maintaining a solid 2.4GHz link is absolutely crucial for safe, confident driving. This receiver is ideal for nearly any surface RC application, from casual weekend bashing to more competitive driving, making it a versatile choice for both newcomers to the RC hobby and experienced drivers looking to upgrade their equipment.
Not only does the SR315 maintain an exceptionally solid 2.4GHz wireless link, but this model also implements a lightning-fast 5.5ms frame rate, providing quicker, low-latency connection that pro-level enthusiasts will appreciate. The receiver features a modern, streamlined case design that is small enough to fit into the tightest builds, yet robust enough to handle the demands of serious RC driving. Spektrum has engineered every aspect of this receiver to give drivers more features at an affordable price point, so you can drive with complete confidence knowing your RC model is equipped with genuine, professional-grade control technology.
Key Features
- DSMR 2.4GHz Technology — The SR315 uses frequency-agile DSMR (Digital Spectrum Modulation Radio) technology, which automatically adjusts transmission frequencies to avoid interference and maintain rock-solid connection stability, even in RF-noisy environments where many other receivers struggle. This technology is fundamental to reliable RC driving outdoors in the UK where 2.4GHz airspace is heavily populated.
- 5.5ms Frame Rate — With a lightning-fast 5.5ms capable frame rate, the SR315 delivers exceptionally quick and responsive control inputs with minimal latency. This means your vehicle responds to your commands almost instantaneously, giving you the precision and control that competitive drivers and professional RC enthusiasts require.
- Bind Button Technology — Gone are the days of fiddling with bind plugs. The SR315 features an innovative top-located bind button that makes the binding process more convenient than ever. The receiver offers two bind-sequence options, allowing you to bind whilst powering up or after the receiver is already powered, making the setup process simpler and more flexible.
- SmartSafe™ Failsafe — The receiver includes SmartSafe™ failsafe technology, which automatically drops throttle to the lowest point and holds the last known command on all available channels if signal is lost. This critical safety feature gives you peace of mind during every drive session, knowing your vehicle will come to a controlled stop rather than running away uncontrolled.
- Gas Mode Failsafe — Beyond SmartSafe™, the SR315 offers a dedicated Gas Mode Failsafe specifically designed for surface applications. This newest failsafe mode is easily selectable during binding and allows users to preset the failsafe position of all available channels independently, giving you complete customisation over how your vehicle behaves in an emergency.
- Compact and Streamlined Design — The SR315 features a new, modern case design that is both small and streamlined, making it capable of fitting into very small and tight builds where space is at a premium. Spektrum has eliminated unnecessary angles from the receiver casing to reduce overall size whilst maintaining structural integrity, making installation easier than ever before.
- Integrated Antenna Support — The receiver case features added antenna support and an integrated antenna tube slot, ensuring seamless installation on custom RC models that do not provide a dedicated route for antenna routing. This forward-thinking design eliminates common installation headaches.
- Dual Protocol Support — The SR315 supports both Spektrum DSMR/DSM2 2.4GHz Protocol and SLT FHSS 2.4GHz Protocol, giving you compatibility with a wide range of Spektrum transmitters and allowing for future flexibility if you expand your RC collection.
- Smart Technology Ready — The SR315 comes updated and ready to work with Spektrum's innovative Smart battery and ESC systems. Smart Technology ensures that all of your vehicle's electronics work together seamlessly for maximum efficiency and performance, whilst keeping you aware of every component's status and boosting your confidence in your setup.
Technical Performance
The SR315 receiver is engineered with precision and built to exacting standards that reflect Spektrum's reputation as a world-leading RC control systems manufacturer. Weighing just 6.0 grams and measuring a compact 32.7mm in length, 21.4mm in width, and 13.6mm in height, this receiver is remarkably small without sacrificing durability or performance. The streamlined hard-case construction provides robust protection for the sensitive electronics inside, whilst the compact dimensions make it suitable for installation in virtually any RC car, truck, or specialist vehicle platform used in the UK RC hobby scene. The 9-inch antenna provides excellent range performance across typical RC driving distances, whether you're driving in an open field, on a race track, or navigating technical terrain. The receiver operates on input voltages from 3.5V to 9.6V, making it compatible with standard 2S and 3S LiPo battery packs as well as NiMH battery configurations. The frequency-agile DSMR technology combined with the fast 5.5ms frame rate ensures that even in challenging RF environments with multiple RC models operating simultaneously, the SR315 maintains a reliable, responsive connection without dropouts or delay. The modulation scheme is DSMR-based, representing the pinnacle of modern RC control technology, and the receiver includes no data port or serial output connections, keeping the design simple, streamlined, and focused purely on delivering outstanding control performance.
What's in the Box
- SR315 DSMR 3-Channel Receiver
- 9-inch antenna
- Instruction manual
Frequently Asked Questions
- Is the Spektrum SR315 suitable for beginners to RC cars in the UK? — Yes, absolutely. The SR315 is an excellent choice for beginner RC enthusiasts because it eliminates the complexity of bind plugs with its simple button-based binding system, features automatic failsafe protection to keep your vehicle safe, and works reliably straight out of the box with any compatible Spektrum transmitter. The SmartSafe™ and Gas Mode failsafe options provide valuable peace of mind as you're learning to drive.
- What battery voltage does the SR315 need? — The receiver accepts input voltages from 3.5V to 9.6V, which covers 2S LiPo batteries (7.4V nominal), 3S LiPo batteries (11.1V), and NiMH battery packs. This makes the SR315 compatible with most standard RC car battery configurations available in the UK hobby market.
- What is the difference between the SR315 and other Spektrum surface receivers? — Spektrum offers the SR215 and SR515 as alternatives. The SR315 sits in the middle of the range and includes advanced features like the 5.5ms frame rate for responsive control, dual protocol support (DSMR/DSM2 and SLT FHSS), and modern bind button technology. It offers an excellent balance of advanced features and affordability, making it ideal for drivers who want professional-grade control without paying premium prices.
- How far is the range of the SR315 receiver? — The SR315 provides full remote receiver range thanks to its frequency-agile DSMR technology and 9-inch antenna. The exact range will depend on your transmitter model and local RF environment, but the receiver is designed to maintain solid connection across typical RC driving distances and beyond, even in challenging RF environments where interference from other 2.4GHz devices might affect other receivers.
- Can the SR315 be used with any Spektrum transmitter? — The SR315 supports both DSMR/DSM2 2.4GHz Protocol and SLT FHSS 2.4GHz Protocol, which covers the vast majority of Spektrum surface transmitters. You should verify that your specific Spektrum transmitter supports one of these protocols before purchasing, though nearly all modern Spektrum surface radio systems do.
- What makes the 5.5ms frame rate important? — A 5.5ms frame rate means the receiver checks for updates from your transmitter every 5.5 milliseconds, resulting in exceptionally quick, responsive control with minimal latency. This is particularly important for competitive RC driving where precision and instant response are critical to performance, and noticeable even for casual drivers who appreciate smooth, snappy handling.
- Is the SR315 water-resistant? — The manufacturer specifications do not indicate water resistance for this receiver. Whilst the hard-case design provides good protection from dust and light splashes, you should avoid submerging the receiver or exposing it to heavy rain or water crossings to ensure reliable operation.
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 Spektrum SR315 DSMR 3-Channel Sport Receiver 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.
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