gprs modem
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H20 M2M GSM GPRS Modem with Ethernet Port
4G / 3G / 2G 2 Ehternets(2 LAN or 1 LAN + 1 WAN) VPN(PPTP / L2TP, IPSec, GRE, OpenVPN) WiFi optional GPS optional RS232 / RS485 optional Cloud management optional
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