Item Type: Ethernet Serial Server Material: PC + ABS Model: PG46-GL-M Voltage Input: 9-50VDC Frequency: 50/60HZ Package List 1 x Ethernet Serial Server 1 x Antenna 1 x User Manual Please use within the voltage range parameter. 1An excellent solution to serial device cellular networking, and the rail mounting makes the installation more convenient. 2Supports 4G to wired network, 4G to the server and wire dnetwork to the server, also supports VPN and APN function. 3Working under a wide range voltage of DC 9 to 50V, this Ethernet serial server guarantees stable working performance. 4Supports 13 frequencies in 5 modes, the serial server enables a faster data processing speed and ensures high efficiency. 5Designed on the base of the existing operator's network, the server has a wider coverage, making the application easier.