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Description
RadioMaster ER5A V2 ELRS PWM Receiver (2.4ghz)ER5A V2 receiver is based on the high performance, revolutionary ExpressLRS system, featuring high reliability, highly flexible configuration, ultra fast response speeds, and an ultra long receiving range, bringing with it a brand new usage experience. The ER5A V2 ELRS receiver can drive up to 5 servos and has built in receiver voltage telemetry and battery telemetry with the ability to automatically detect which voltage input to use. It is designed
ER5A V2 receiver is based on the high-performance, revolutionary ExpressLRS system, featuring high reliability, highly flexible configuration, ultra-fast response speeds, and an ultra-long receiving range, bringing with it a brand-new usage experience.
The ER5A V2 ELRS receiver can drive up to 5 servos and has built-in receiver voltage telemetry and battery telemetry with the ability to automatically detect which voltage input to use. It is designed for aircraft applications.
Features
- Based on the Revolutionary ExpressLRS System
- High performance, high reliability, flexible configuration, fast response speed and ultra-long range
- Support 5 PWM Channels
- Automatically detects voltage telemetry of external battery voltage or receiver battery / ESC BEC voltage
- Built-in a TCXO (temperature compensated crystal oscillator), ensures stable and accurate performance in any environment
- Optimized ground up PCB design
- Supports Wi-Fi updates and WEBUI configuration
- Compact size, easy to install. Perfect for aircraft applications
Specifications
- Item: ER5A V2 2.4GHz ELRS PWM Receiver
- Power supply: DC 4.5-8.4V
- Antenna type: High-sensitivity antenna
- Wireless Protocol: ELRS 3.3.0 pre-installed
- Channels: 5
- Telemetry Voltage Detection Range: DC 4.0 - 35V
- RF Telemetry: Yes
- Telemetry Power: 10mw
- Weight: 6.7 grams
- Size: 37.0 * 19.3 * 13.0mm
- Firmware: Device Category: RadioMaster 2.4 GHz / Device: RadioMaster ER5A 2.4GHz PWM RX
Includes
- 1 * ER5A V2 2.4GHz ELRS PWM Receiver
- 1 * Voltage telemetry wire
- 1 * User Card
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
What you don’t see can hurt you
Size: 2.67 Ounce (Pack of 12)
Don’t skip this
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 19, 2025
★★★★★ 5
Great patches for punctures and the proper way to repair a tyre.
Size: 0.16 x 1.42 ,0.24 x 1.77 ,0.35 x 2.36 Inch, Size: 0.16 x 1.42 ,0.24 x 1.77 ,0.35 x 2.36 Inch
Why go to a tire repair shop and spend a fortune when you can do it yourself. However most people don't want to be bothered but for us do it yourselfers this patch set was great. Comes with various patches all in different sizes. If you're not familiar with fixing a tire it's really easy and honestly a scam getting it done. Fun fact the gray glue on the bottom is actually activated when you drive heating up the patch and vulcanizing it to the tire but it doesn't hurt to actually use some rubber cement to seal around the patch to prevent future leaks. I ended up having to use these on one of my motorcycle tires when I ran over a pallet staple, for me the biggest patchwork and once testing and rebeating the tire there was no leakage. Good price for the amount you receive and cost less to repair it yourself than taking it to a shop
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Reviewed in the United States on September 20, 2025
★★★★★ 5
Worked Great. Save a Near New Tire
Size: 0.16 x 1.42 ,0.24 x 1.77 ,0.35 x 2.36 Inch
I got these because twice this year I picked up a nail in my motorcycle tire. The local shops want to sell tires so they won't patch any tire no matter how new.
I used these on two tires, a steel-belted radial and a bias-ply off-road tire. It worked out great, both have been holding air for months now and by doing it myself I saved hundreds of $$$.
These are the best way to pemanently patch a tire that's gotten a smallish puncture.
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Reviewed in the United States on December 1, 2025
★★★★★ 5
Good quality, Best for schools and shops.
Size: 0.16 x 1.42 ,0.24 x 1.77 ,0.35 x 2.36 Inch
I bought this butyl repair patch and the quality is good. I brought it to the school where I’m learning automotive repair and used it as a teaching consumable. Many students tried it, and everyone thought it worked very well. One thing I would suggest for individual buyers: pay attention to the size combinations in the package. For most car owners, you may end up using only one size more often. Because of that, this mixed-size packaging is probably more suitable for schools, training programs, or auto repair shops where different sizes are needed regularly. Overall, it’s still a good quality product and performs exactly as expected.
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Reviewed in the United States on March 15, 2026
★★★★★ 4
Look very useful
Size: 0.16 x 1.42 ,0.24 x 1.77 ,0.35 x 2.36 Inch
Haven't actually used them yet, but they look like the perfect way to fix a flat. As can be seen they come in various sizes depending on what you will need. All you need to get is some tire patch rubber cement and a good inner tire sealer (I picked up a can of Xtra Seal)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2024
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