Z-MODEM is a GSM / GPRS Quadband industrial modem with an RS232 serial interface. The rated input voltage of the module varies in the range 11..40 Vac and 19.. 28 Vdc with 2W (standby) 6.5 W (max) consumption. Z-MODEM is equipped with SMA type antenna connector and standard SIM card slot (21 x 15 mm). Designed for quick assembly on DIN 46277, Z-MODEM is ideal for automation applications, M2M (Machine to Machine), remote control, environmental monitoring, security, and remote I / O.