home Alarm Receiver display SMS in LCD Speaker and Microphone battery can work for 12hours GSM Frequency:900/1800/1900Mhz Alarm Receiver,GSM Receiver,home Alarm ReceiverThe GSM Alarm Receiver R-01 is special for receiving GSM Alarm System reports information from different users in the Police Station or Monitoring Center or Control Room. The R-01 is very simply than traditional Monitoring center ...
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