Technical specifications

Supported GSM bands 900 / 1800 / 1900 MHz
SIM interface 1.8 and 3V
USB interface virtual COM port (baud rate 115200, 8 bits, 1 stop bit, no parity and flow control)
Other interfaces 1-Wire (RJ11), SPI, I2C, UART
Transistor output 1 x 1A with supply voltage
OC outputs 4 OC type outputs, transistor BC847B (45V/100mA)
Logical inputs 4 (max 20V)
Analog inputs 3 (2 with a range of 0-3.6V and 1 with a range of 0-36V)
Temperature measurement up to 8 DS18B20 sensors via 1-Wire
Antenna attached
Supply voltage 6-28V DC, 5.5mm socket
Power consumption 0.3W (without GSM transmission)
Operating temperature range -20 to +70 °C
Dimensions 68 x 60mm
Weight 57g