Product Description

 

Wireless door /window contact designed with SAWF for stable wireless alarm signal transmittance.  For door /window sensor, easy installment, For home security and home alarm, intrusion detection to prevent crime. 

 

Features:

1. Low power consumption with static current less than 5uA.

2. With low battery voltage indicator.

3. Wireless emit distance in open area is about 100m.

4. KS-21AW is used with KS-258B, KS-858, KS-898 (Frequency 433.92MHz)

    KS-20BW/CW is used with KS-298, KS-998 (Frequency 315MHz)

 

Specifications:
Input Voltage:	DC12V 23A Battery	Standby Current:	<=3uA
Alarm Current:	<=15mA	Working temperature:	-20C~+55C
Emit Frequency:	433.92MHz(21AW) 315MHz (20BW/CW)	Emit Power :	>=10mW
Emit Distance:	250m (in open area)	Dimension:	37mm*65mm*17mm