WLDWDX - Door Window transmitter with universal inputs
datasheetprice each: $80  
Specifications
Power Two 3V 2032 lithium batteries (supplied)
Current Consumption 8 mA average while transmitting 1 ľA standby
Battery Life Three years (typical)
Measured Range 700 feet in open air, one quadrant;
500 feet minimum in open air (four quadrant test)
Code Outputs Alarm, restore, low battery
External Input Terminals Terminals 1, 2 accept N/C contact devices; Terminals 2, 3 accept N/O glass break sensors
JUMPER PIN MODE SELECTION
Pins 1, 2 Glass break operation only
Pins 2, 3 For external contact and glass break operation
Pins 3, 4 For internal reed switch and glass break operation
Jumper removed Internal, external, and glass break operation
Operating Frequency 315 MHz
Operating Temperature 32° to 120° F (0° to 49° C)
Dimensions 1.6" W x 3.4" H x 1.2" D (41 x 86 x 30 mm)