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Customer Reviews
I am pleased with them. It was a good choice for our small application. It is a robust device even it has a cheap price. I will use them in our further applications when we should use remote control. Thank you for your support.

—— Codreanu from Romania

Great news! We successfully performed the installation of the two units and transmitted our 4-20mA signal with both antennae. Even the smaller antenna suffices to transmit the signal without any losses whatsoever. So you can understand that we are very happy :) .

—— Kekarios from Greek

I believe you and your products. Sunny is very responsible. The RF modules are really strong and stable. Engineer's suggestions are useful to me. The most important is module's program can updrade on-line by myself. For some special projects, they can customize according my requirements. Thank you for your support all the time.

—— Singh from India

First of all I'd like to thank you for you're prompt service. The system now works perfectly. I left a positive response on your web site. I hope it attracts more customers for you.

—— Peter from Australia

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wireless on off module online manufacture

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buy 433MHz Wireless Modbus RTU online manufacturer

433MHz Wireless Modbus RTU

433MHz Wireless Modbus RTU 433MHz Wireless Modbus RTU 4DI4DO wireless I/O module 2km ON-OFF control Introduction LS-RDIO0404 has 4 inputs 4 relay outputs and 1 RS485(wireless RS485 customized). Our default ... Read More
2023-02-28 16:32:36
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4-20mA Wireless Analog Transmitter 1W Modbus RTU 2km Remote Control

Wireless Analog Input Module 4-20mA Signal Wireless Transmission Modbus RTU Character LS-RAI04 4 channels analog input module 4 channels 4-20mA signal wireless transmission to PLC 0-5V analog signal wireless ... Read More
2023-02-28 16:32:37
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Lora Wireless Modbus RTU

Lora Wireless Modbus RTU Wireless RTU 2ch Wireless Pump Controller Remote ON-OFF Controller 5km Distance General introduction LS-RDIO0202 has 2 inputs 2 relay outputs and 1 RS485 (wireless RS485 is customized). ... Read More
2021-07-29 18:13:36
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2 Channels RS485 433MHz 2km Wireless Pump Controller

Wireless Water Level Controller, pump ON-OFF controller Features: Switches ON the pump when the water in the overhead tank goes low level. Switches OFF the pump when the water in the overhead tank reaches high ... Read More
2020-08-11 18:31:12
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Long Distance 4G Wireless Gateway 433/868/915Mhz GPS Expansion Board For Raspberry Pi

Long Distance 4G Wireless Gateway 433/868/915Mhz GPS Expansion Board For Raspberry Pi The Lora/GPS_HAT is a expension module for LoRaWan for ues with the Raspberry Pi.This product is intended for those ... Read More
2018-12-13 14:10:39
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433MHz 2km Remote I O Module Control RS485 Connect PLC 2AI Collect 4-20mA Analog Signal 2DO

33MHz 2km Remote I O Module Control RS485 Connect PLC 2AI Collect 4-20mA Analog Signal 2DO Advantage of wireless solution No wires to bury or maintain, no need to drill holes on wall Reliable communication in ... Read More
2018-12-13 14:10:33
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Analog Wireless RTU 4-20mA Signal Wireless Transmitter 2km Wireless Control

Analog Wireless RTU 4-20mA Signal Wireless Transmitter 2km Wireless Control LS-RAI02 Parameter Frequency 433MHz or 450MHz or 470MHz Power output 100mW(600m),1000mW(3000m) Products 2AI,4AI,2AO,4AO Input type 4... Read More
2021-03-01 11:27:32
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433MHz Rf DTU Wireless RS485 Transceiver LoRa SX1278 Uhf Module rf Transmitter Receiver DTU introductions LS-LR-DTU30 is a 433MHz,1W industrial-grade wireless data transmission unit with high stability. The DTU ... Read More
2018-12-13 14:10:40
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5W 433MHz Lora Gateway ModuleDTU Wireless Uhf Module 433M Rf Transmitter / Receiver SX1278

5W 433MHz Lora Gateway ModuleDTU Wireless Uhf Module 433M Rf Transmitter / Receiver SX1278 FeatureTransmission distance in open area up to 15Km @ 96Kbps433/470MHz40 channelsLoRa modulationInterface: TTL/RS232... Read More
2018-12-13 14:10:40
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