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TW820 LoRa Modem Long-Range RS232 RS485 Transmission

Marsoni M251S
Sale price$99.00
Pay 4 payments of $24.75 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
TW820 LoRa Modem Long-Range RS232 RS485 TransmissionTW820 LoRa Modem Long Range RS232 RS485 Transmission Long range, low power RS485 RS232 connectivity LoRa 850~931MHz 1 RS232(Debug), 1 RS485, half duplex Low power, long range up 10Km(open air)1 Anti interference, high receiving sensitivity AES Encryption and Decryption over the air communication Point to point, fixed point transparent transmission mode Easy to configure, plug and play Wide operating temperature: 35~+75 C Power Input: 5 35VDC The
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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.
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4.5 ★★★★★
Based on 963 reviews
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Verified Purchase
jeff
Battle Creek, US
★★★★★ 5
Great product
Size: 5 FT, Style: 0 (1/0) AWG RED
Good quality cable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 1, 2026
N
Verified Purchase
N. A. Williams
Lowell, US
★★★★★ 5
89 mercruiser works fine
The mounting bracket was a little smaller than orginal, but no big deal, just drilled new hole in mounting plate. Solved my starting problem
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2023
C
Verified Purchase
Charles R Gunther
Lowell, US
★★★★★ 5
Direct replacement
Direct replacement for a failed solenoid on my Larson boat. Easy to install and works as it should.
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Reviewed in the United States on October 3, 2022
O
Verified Purchase
osborne
Phoenix, US
★★★★★ 3
Working
Hard to find work great
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Reviewed in the United States on May 14, 2026
J
Verified Purchase
Jon
Alexandria, US
★★★★★ 4
Did its job
Got me back onto the water. The mounting holes distances from center to center are less than original equipment. But in a pinch they will do the job.
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Reviewed in the United States on May 29, 2024

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