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
Risco

Risco Wisdom Wireless 4 Button Fob
Scantronic

Scantronic MRNODE 8 ZONE EXPANDER MODULE 868MHZ
Security Warehouse

Secware 3v CR2 Lithium Battery
Security Warehouse

Secware CR2032 3v Lithium Battery
Security Warehouse
Secware Primary lithium battery LS 14250 3.6 V 1/2AA Size
Security Warehouse

Secware Primary lithium battery LS 14500 3.6V AA Size
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