Wireless Intruder alarm components. Wireless alarm parts utilise RF to communicate between the device and the receiver. The wireless receiver is usually the control panel or an expander. Most wireless alarm systms use 868MHz or 433MHz. There are 3 main typres of transmission, these are 1-way, 2-way and 2-way mesh. 1 way devices are usually lower security and are mostly used in lower security DIY type systems. 2 Way wireless is more secure as the transmission is acknowledged as recieved by the reciever.
Wireless Intruder Alarms
Siemens/Vanderbilt

Siemens ADM-I12WL1 Wireless Pet Friendly 12m PIR
Siemens/Vanderbilt

Siemens SiWay RF-kit for panel with metallic housing
Siemens/Vanderbilt

Siemens/Vanderbilt

Siemens SiWay RF-Module for LCD Keypad
Siemens/Vanderbilt

Siemens Wireless Personal Alarm Button
Siemens/Vanderbilt

SPCW101.000 External aerial kit
Siemens/Vanderbilt

Vanderbilt 12m Quad Element Grade 2 Pet Wireless PIR
Siemens/Vanderbilt

Vanderbilt Wireless Module with Transmitter and Antenna
Siemens/Vanderbilt

Vanderbilt Wireless Slimline Magnetic Contact
Siemens/Vanderbilt

Vanderbilt WMAG-I Wireless Magnetic Contact with input
Siemens/Vanderbilt

Vanderbilt WPIR-CRT Wireless curtain PIR detector
Siemens/Vanderbilt

Vanderbilt WRMT Remote control with 4 button