We are an Australian Security/Investigation co. We urgently need to purchase Small Portable Wireless Cellular Alarms.
Min Spec 1 GSM unit:12vdc 500mA
2 Extending antenna: Receiving distance min 100 metres without signal interference.
3 stand-by-current <25mA
4 Alarm current <500mA without accessories
5 Power consuption 0.5w
6 wireless frequency 315Mhz
7 Cellular frequency 900Mhz(880-2-914.8 MHz Tx; 925.2-959.8 MHz Rx
8 Wireless sensors
9 Wireless Vibration sensors
10 Battery charging Facility
11 Monitoring Capability
11 Out put trigger signal capability
70859.[AU]
澳大利亚求购无线报警系统(Portable Wireless Cellular Alarm System) 
