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RS485/UART to NB-IoT or LTE CAT-M Converter Sensor Node
RS485/UART to NB-IoT or LTE CAT-M Converter Sensor Node
RS485/UART to NB-IoT or LTE CAT-M Converter Sensor Node
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RS485/UART to NB-IoT or LTE CAT-M Converter Sensor Node

Marsoni M251S
Sale price$139.00
Pay 4 payments of $34.75 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
RS485/UART to NB-IoT or LTE CAT-M Converter Sensor NodeRS485 UART to NB IoT or LTE CAT M Converter Sensor Node The Dragino RS485 NB or RS485 CB is an RS485 UART to NB IoT or LTE CAT M Converter for Internet of Things solutions. User can connect the RS485 or UART sensor to the RS485 NB converter, and configure RS485 NB to periodically read sensor data and upload via NB IoT or LTE CAT M network to IoT server. RS485 NB can interface to the RS485 sensor, 3. 3v 5v UART sensor, or interrupt sensor. RS485 NB
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  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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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
4.2 ★★★★★
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Verified Purchase
RN1322
Charlottesville, US
★★★★★ 5
Beautiful set
Color: Silver, Size: Rechargeable
So far love this set. It was a gift for my boyfriend and he loves it. The look is perfect, and so far functions as expected. Also the charge has lasted for months so far.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
D
Verified Purchase
David MacEwen
Los Angeles, US
★★★★★ 5
Great product
Color: Silver, Size: Rechargeable
No more batteries dead when you need it most! Love them
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
J
Verified Purchase
Jesse
San Leandro, US
★★★★★ 5
Better than most
Color: Silver, Size: Rechargeable
Very awesome. Works better than expected. Very easy to use and refill when it runs out. Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 27, 2026
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Verified Purchase
Lizette
San Leandro, US
★★★★★ 5
Very good quality
Color: Silver, Size: Rechargeable
There very nice. Battery is very durable.
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Reviewed in the United States on March 2, 2026
M
Verified Purchase
Michael
Los Angeles, US
★★★★★ 4
Good value for price. Get coarse large grained salt to grind or it comes out fast
Color: Silver, Size: Rechargeable, Color: Silver, Size: Rechargeable
Works good upon opening. Get coarse salt or it will come out fast.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026

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