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Shenzhen Qianhai Lensen Technology Co., Ltd blog

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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Company Blog
Company blog about PLC Automation Drives Efficiency in Smart Warehouses

PLC Automation Drives Efficiency in Smart Warehouses

[2026-07-01]
In today's era of globalization and booming e-commerce, the logistics industry faces unprecedented challenges and opportunities. With consumers demanding faster, more accurate, and efficient delivery services, traditional logistics models struggle to meet these expectations. To address these ... Read More
Company blog about Automation Industry Weighs 24VDC Vs 120VAC Power Options

Automation Industry Weighs 24VDC Vs 120VAC Power Options

[2026-06-29]
In the realm of industrial automation, voltage selection plays a crucial role in system performance, much like a conductor guiding an orchestra. Choosing the appropriate control voltage is essential for building efficient, safe, and reliable automated systems. This article examines two common ... Read More
Company blog about Comparing 315mhz and 433mhz Remote Control Frequencies

Comparing 315mhz and 433mhz Remote Control Frequencies

[2026-06-25]
Imagine standing in front of your garage, pressing the remote key, but the door refuses to budge. Is the battery dead? Is the remote malfunctioning? Or perhaps the frequency no longer matches the receiver? In wireless remote control technology, 315MHz and 433MHz represent two common frequency ... Read More
Company blog about Guide Converting 420ma to 010V for Industrial PLC Control

Guide Converting 420ma to 010V for Industrial PLC Control

[2026-06-21]
Industrial automation systems frequently face challenges with signal interference, leading to production line stoppages and significant financial losses. The solution lies in implementing more reliable signal transmission methods that can maintain precision even in harsh industrial environments. Why ... Read More
Company blog about Smart Irrigation Systems Transform Modern Farming

Smart Irrigation Systems Transform Modern Farming

[2026-06-20]
Fields stretch endlessly under the sun, their crops sustained by life-giving water. Irrigation has always been the lifeblood of agriculture. Picture farmers toiling under scorching heat, manually diverting water through fields—a familiar yet increasingly outdated scene. Traditional irrigation ... Read More
Company blog about Nyrius Wireless HDMI Offers Cordfree HD Streaming

Nyrius Wireless HDMI Offers Cordfree HD Streaming

[2026-06-15]
Cluttered HDMI cables in living rooms and tangled wires in conference rooms may soon become relics of the past as wireless HDMI technology gains traction. Nyrius wireless HDMI transmitters offer a potential solution to cable management challenges while maintaining high-definition video and audio ... Read More
Company blog about Ansys Enhances PCB Design for Modern Electronics

Ansys Enhances PCB Design for Modern Electronics

[2026-06-14]
Imagine a smartphone reduced to lifeless components without a precisely engineered circuit board, a car's autonomous driving system rendered unsafe, or even the energy grids sustaining our daily lives collapsing into chaos. The printed circuit board (PCB) is the unsung hero enabling these modern ... Read More
Company blog about 4G Vs LTE Routers Key Differences and Buying Guide

4G Vs LTE Routers Key Differences and Buying Guide

[2026-06-13]
In wireless communications, the terms 4G and LTE are often used interchangeably, particularly in router products. While manufacturers and carriers frequently swap these labels, they are not technically identical. This analysis examines the conceptual differences between 4G and LTE routers, traces ... Read More
Company blog about Guide Selecting the Best SIM Card for 4G Routers

Guide Selecting the Best SIM Card for 4G Routers

[2026-06-12]
Imagine having stable, high-speed internet access in remote villages, crowded trains, or even makeshift outdoor workstations—enabling seamless work, entertainment, and learning anytime, anywhere. This isn’t a distant dream; a 4G router can make it a reality. But with countless SIM cards flooding the ... Read More
Company blog about Simple Tips to Extend 433mhz Antenna Range

Simple Tips to Extend 433mhz Antenna Range

[2026-06-10]
Struggling with limited coverage from your 433MHz antenna? Imagine the possibilities if your device could transmit signals over greater distances. Fortunately, there are several effective methods to significantly improve the antenna's range. Upgrade to a Higher-Gain Antenna One of the most ... Read More
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