GSM-2 Channel SMS Controller Intelligent Mobile Phone Remote Control Switch Semiconductor Module for Smart Home Farmland Irrigation Greenhouse Server Room

Specification: Condition: 100% Brand New Item Type: SMS Controller Material: Semiconductor Size: Approx. Approx. 45x50mm / 1.8x2.0in Line Length: Approx. 18cm / 7.1in Hardware interface description: Power supply interface: two needles, spacing 5.0mm, marked VCC GND. Power supply voltage: 9V-36V. When using 5V power supply, the current should be guaranteed at 1.5A or above. Two-way relay output interface: COM1 A1 B1, COM2 A2 B2, 5.0mm spacing 2 MICRO-SIM card holder: SIM card holder is on the back of the board. It is a flip-over type card holder. When the system is powered off, it inserts SIM card to support for mobile and for Unicom 3G 4G card, and does not support telecommunication card. Parameters: Supply voltage: 9V-36V, current should be guaranteed 1.0 A or more. LED Lamp: Three LED lamps, D6 (WORK) D7 (ERR) D3 (NET), respectively. Among them: D3 is the network indicator, the system just started, because GSM does not register the network, at this time, the LED flashing state is 1 second bright 1 second off. About 10 seconds later, when GSM is registered with the network, the LED lights flashing state is 1 second, 3 seconds on and off, and D6 is the system working indicator. When the system is powered on, the LED lamp will turn on. When the system is ready, the LED lamp will go out in 1.5 seconds and flicker in 1.5 seconds. At this time, it can send short messages to the device.  Relay output capacity, the selected relay is 250V 10A relay. System default configuration instructions: For any configuration, the default configuration of the system is: secret key, 123456; authorization number 1:15124532672, authorization number 2:15124532672 and authorization number 3:15124532672. Package List:1 x SMS Controller1 x Antenna