Widely known as a serial port of personal computers. Historically was widespread in telecommunications equipment. Currently still used to connect all kinds of specialized or obsolete equipment to computers, however, most are now superseded by the USB interface. RS-232 provides data transfer and some special signaling between the terminal and the communication device at a distance up to 15 meters.
Energy-efficient monitor with a screen capacity of 1.7 "2. Receiving incoming calls from the door communicator3. Two-way SIP v2.0 connectionGets energ..
This miniature wireless sensor informs you about breaking glass.The devices are 9 m from the windows. and filters the wrong events that cause exciteme..
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Long-lasting performance for your digital cameras and other high-tech devicesHolds power for 10 years when not in useType: LithiumVolt: 3Replacement f..