


RainyFi UHF RFID based ESP32
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
RainyFi UHF RFID based ESP32RainyFi, a high performance RFID module designed for the ESP32 S3 WROOM 1. Combining cutting edge RFID technology with the power of a dual core processor and integrated Wi Fi & Bluetooth LE, RainyFi is perfect for both hobbyists and professionals who need a versatile, high speed RFID solution. Key Features: Powerful Processor: Equipped with an Xtensa dual core 32 bit LX7 processor running at up to 240 MHz, offering robust performance for demanding
Quick Dispatch:
Your RainyFi UHF RFID based ESP32 orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your RainyFi UHF RFID based ESP32 ships.
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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
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Product Reviews
★★★★★ 5
Good quality and fitment for mercedes e350
Color: Silver
Works perfect on my 2014 Mercedes E350! Should last forever, good quality. The price point is excellent.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2026
★★★★★ 5
Flutes and size perfect
Color: Silver
Excellent
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Reviewed in the United States on April 7, 2026
★★★★★ 5
Good quality
Color: Silver
Works perfect for my 2009 jeep 3.8
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Reviewed in the United States on April 25, 2026
★★★★★ 4
Excellent quatity cheap.
Color: Silver
Pervect fit. Heavy duty.
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Reviewed in the United States on January 21, 2026
★★★★★ 3
Very tight fit on 74mm Mobile 1 Filters
Color: Silver
It claims to fit "some" 74mm Mobil 1 filters. It's a fraction too small, but will work if you "force" the tool on the filter.
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Reviewed in the United States on February 25, 2026