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PSTN if you don't insert SIM card or GSM network no signal. Available: GSM 900/1800Mhz dual band, employing Wavecom Q2403A module to make; Appearance and Structure Item GSM&PSTN LEASTLINK Remark Material ABS (Acrylonitrile Butadiene Styrene) Dimension 170mm×118mm×30mm...
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Sensitivity : <-104dbm Antenna Amplifying : >2.5db Dialing frequency : 450Hz Hanging voltage : 45V Picking current : 30mA/41mA 5, Packing List Name Quantity Remark GSM&PSTN LEASTLINK 1pcs Dual band Ac- adapter 1pcs AC-110-240V, DC12V/1A Antenna 1pcs Magnetic Antenna with 3m cable...
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6, Installation and Connection The Condition for Installation The terminal asks for 110- 220V AV power supply. It must be installed in the area where the GSM network can cover. The strength of the signal can affect the quality of voice. 1.