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GPRS / SMS unit. - Phone line simulation in GPRS / SMS compatible with all alarm units and automatic..
GPRS / SMS Universal Unit. - 5 GPRS / SMS sending activation inputs. - Automatic sending of a ..
GSM / GPRS / SMS Universal communication module. For reference to signal reception center and home S..
GSM / GPRS / SMS Universal communication unit. As reference to signal reception center and home SMS ..
GSM / GPRS / SMS line backup unit.To refer to a signal reception center and home SMS report- Analog ..
GSM / GPRS telephone line backup module - 2 SIM card capability - Analog line simulation via GSM, au..