Technical Specifications of the 2G/3G/4G Module for Door Opening by SIM
| Voltage | 12~24 V AC/DC |
| operating current | 250mA maximum, 55mA typical |
| GSM/WCDMA module | Cinterion/Simcom |
| GSM/WCDMA frequency | GSM 850/900/1800/1900 Mhz, WCDMA 850/1900 o 900/2100 Mhz, LTE FDD: B1/B3/B7/B8/B20B28A |
| power consumption | Standby: 42mA/hr / Activating the relay: 83mA/hr |
| Measures | 9.5 (L) X 6.0 (W) x 2.5 (H) cm |
| Antenna | short GSM antenna |
| RH | Less than 80% RH |
| Operating temperature | -20℃ a 50℃ |