Videx has enhanced two of its door entry and access control systems, adding a new remote relay module to its 4G GSM offering and the VX2300 door entry video intercom. The new remote relays create a ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The What: LynTec has introduced a line of Xtend Power Control (XPC) remote relay modules and a ...

Welcome to my quick review of an inexpensive 2-channel 5V relay module controlled via RS485 bus utilizing Modbus RTU protocol. As claimed by some online sellers, this easy-to-get Modbus RTU 2-Channel ...

The Mini Wireless I/O Module from SignalFire Wireless Telemetry integrates an antenna capable of a 3-mile range, which allows a pair of modules to communicate in a point-to-point mode or directly to a ...