EC21 Product Catalogs - 433mhz fixed

Smart Home Multi-function LCD GSM Alarm System

20150730

Mhz or 850/1900mhz for optional Wireless frequency: 315MHz/433MHz for optional Alarm response time: ≤8s (GSM signal in normal) Working consumption ： < 0.6W Backup battery: DC7.4V/850MA, lith

Wireless GSM/SMS Auto-Dial Alarm System (YL-007M2B)

20110725

433 MHz, GSM 900-1800MHz. ( 850/1900MHz is optional) Operating voltage: DC12V, AC 220/110V Standard pack components 1 main panel, 1 wireless infrared (motion) detector, 1 wireless door sensor, 1 sire