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
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