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