H7921 LTE/3G Routero LTE/HSPA /3G support optional,Website:http://www.industryrouter.net, ready for 4Go Wireless connections based on 3Go Ultra r ed, Built to lasto Ultra security, VPN supportoRS-232 � transparent � �communicationso Persistent network connectivityMobile Network SupportedLTEHSPA /HSPA/ UNTS/WCDMAEDGE/GPRSCDIIA 2000/EVDO �CDMA 1xEthernet StandardIEEE 802.3IEEE 802. 3uVPNPPTPL2TPTPSECGREDynamic Routing{optional)RTPOSPFInterface1 � 10/100Mb LAN interface1 � SMA-K 3G antenna interface1 � Standard SIM/R-UfM interface �1 � Standard DC power interface�1 � RS-232 interfaceCommunications4 LAN data transmissionIRS-232 data transmissionSecurityFTP packets filter4MAC filterDevice management4Web browser (IE v5 or above)4 TelnetLED indicationLANNETSystemPower supply 5~36VDCPower consumptionIdle: 40mA@ 12VDCCommunications: 240mA@ 12VDCOthersSize: 98 � 100�23mm (not including antenna)Weight: 3 20gOperation temperature: -20- 606Store temperature: -30- 706Related humidity: 10�f�-95�/� (non-condensing)Guarantee: one yearFunction FeaturesSupports APN and the VPDN wireless private network�Supports always online technologySupports NAT and DNZSupports automatic timing operation Supports idle modelSupports DNS proxy and Dynamic DNS (DDNS) Supports �NTPSupports �LED status indicationSupports firmware update via Web Telnet/SSH interfaceSupports IPSEC, GRE, PPTP, L2TPSupports dual SIN backup�Supports �DTU �function�Supports LCP, ICNP check�Suppor ts SNNP