Z-MODEM-3G is a 3G+ industrial modem with a micro USB interface. The rated input voltage of the module varies in the range of 10..40 Vac and 19.. 28 Vdc with 2W (standby) and 5 W (max) consumption. Z-MODEM-3G is equipped with two SMA-type antenna connectors and a standard SIM card slot (21 x 15 mm). Designed for quick assembly on DIN 46277, Z-MODEM-3G is ideal for automation applications, M2M (Machine to Machine), remote control, environmental monitoring, security, and remote I / O. The suitable use and perfect combination is with SENECA's CPUs, for example, Z-TWS4 or Z-PASS1. Z-MODEM-3G includes only 1 SMA Antenna. The second SMA socket named DIV is used to install an auxiliary antenna improving the reception signal (see accessories).