433mhz sms phone 433mhz gsm telephone learning code home alarm systems
Alarm to hostpstn gsm receiving frequency433mhz unobstructed effective range mopen area wireless zones99 wired zones4 lcd displayy sms phone numbers6 alarm to user phone numbers6 alarm to center phone numbers5 sound recordingyes alarmdisalarm typephone sms local alarm sound scale dbm110 output power supply v12 power supply typeaaa charger direct built in li battery battery working time hours6 8 power supply v9 quiescent current ua50 transmitting c
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