Teltonika TRB500. Product colour: Stainless steel. Enclosure material: Aluminum. Mounting type: DIN-rail/Wall mounting. Antenna type: External. Antenna connector type: SMA. Processor frequency: 1500 MHz. Internal memory: 256 MB. Flash memory: 512 MB. Supported network protocols: TCP. UDP. IPv4. IPv6. ICMP. NTP. DNS. HTTP. HTTPS. SMTP. SSL v3. TLS. PPP. PPPoE. SSH. DHCP. SNMP..... Routing protocols: NHRP. BGP. EIGRP. OSPFv2. RIP-1. RIP-2. Ethernet LAN data rates: 10.100.1000 Mbit/s. Cabling technology: 10/100/1000Base-T(X)