GSM option for all lift emergency telephones. The unit replaces a standard PSTN landline and can be installed in the machine room, lift shaft or on the car roof. GL1 is suitable for permanent as well as temporary installation. Up to nine telephones can be connected to one unit. GL1 is delivered in a robust metal housing with key holes for screw mounting. Two self-drilling screws are also included for easy mounting.
◼︎ GSM to analogue PSTN telephone line
◼︎ 12VDC or 20-30VDC supply voltage
◼︎ Robust metal housing for screw mounting
◼︎ Connect any analogue telephone
◼︎ 3 dB GSM antenna for GSM 900/1800 with magnetic foot is included
◼︎ Works with all service providers
| Citation | EN81-28/EN81-70 |
| Operating voltage | 12VDC or 10 ... 30VDC |
| Operating current | 30 ... 80mA |
Communication card | Standard SIM card |
| Quad band | 900 / 1800MHz |
| Antenna interface | SMA |
| Signal sensitivity | 3dB |
| Output signal | PSTN |
| Output interface | RJ12 |
| Indicator number | 4 |
| Working temperature | -20 ... +60℃ |
| Size | 94 × 139 × 20mm |

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