Smart IoT Platform Wireless Communication Alarm Security Systems 2 Way Linkage – GAOTek
$37.73
$72.82
Description Features Call the police texting 110 dB alarm and deter Two-way intercom Intelligent linkage Power outage and disconnection normal work. Technical Specifications Power input DC 5 V 2 A power adapter Built-in Battery 300 mAh 3.7 V Battery standby 7 hours LTE-FDD B 1 / B 3 / B 5 / B 7 / B 8 / B 20 / B 28 A LTE-TDD B 38 / B 40 / B 41 GSM / GPRS GSM 900 / DCS 1800 Temperature 14 oF to 122 oF (-10 oC to 50 oC) Humidity <90% RH Alarm SMS number Maximum 6 groups (can be used after upgrade) Wireless receiving frequency 433 M ±75 KHz 330K EV 1527 Wireless transmission frequency 315 M ±75 KHz 330K EV 1527 Wireless distance 3149.60 in (80,000 mm) open distance Size 4.33 in x 4.33 in x 1.37 in (110 mm x 110 mm x 35 mm)
