GSM 2G Cellular SMS Alarm Controller with Relay Outputs and USB Port – GAOTek
GSM 2G SMS alarm controller with relay outputs, USB interface, and 3.7V backup battery. Ideal for robust alarm and control applications.
Description
Overview
GAOTek’s GSM 2G Cellular SMS Alarm Controller with Relay Outputs and USB Port is a versatile digital input GSM alarm module designed for home automation and M2M applications. Featuring 2 output relays, it allows for remote control of machines and equipment through SMS commands. This 2G, 3G, and 4G GSM SMS alarm module is equipped with a USB port for easy programming, offering seamless integration with various devices. It also supports digital inputs for a range of detectors, such as water level sensors and PIR motion detectors, making it an ideal solution for remote monitoring and automated control in diverse environments.Â
Technical Specifications
| DC Power Supply | Standard adapter DC 12 V / 1.5 A
Range 36 to 9 VDC |
| Power consumption | Standby 12 V or 70 mA
Working Max 12 V or 300 mA |
| Cellular frequency | 850 or 900 or 1800 or 1900 MHz, or 3G or 4G |
| SIM Interface | Supporting 3 V SIM Card |
| Cellular Antenna | SMA Antenna interface, 50 Ohm, Gain 3 dB |
| Serial interfaces | 1 USB Port |
| Digital input | 8, Dry contact, Wet contact (0.5 to 0 VDC = Open. 30 to 3 VDC = Close) |
| Relay output | 2, Dry contact, 240 VAC at 3 A |
| Power outputs | 1 Channel 36 to 9 VDC for external device |
| Backup battery | 3.7 V 1200 mAH |
| Operating Temperature | 14 °F to 158 °F (-10 °C to 70 °C) |
| Working humidity | 95% (condensation free) |
| Size | 2.76 in x 3.46 in x 1.18 in (70 mm x 88 mm x 30 mm) |
| Single gross weight | 11.29 oz (320 g) |