Feater:

 TDD-LTE：BAND38/39/40/41
 FDD-LTE：BAND1/3/5/7/20/28
 TD-SCDMA：BAND34/39
 WCDMA：BAND1/2/5
 GSM：850、EGSM、DCS、PCS
 Wifi：IEEE802.11b/g/n, 2.4G
 Built-in 2pcs 2dB IEEE802.11n 2T2R Wireless antenna
 1 RJ-45 WAN+3RJ-45 LAN interface (Ethernet 10/100 Base-T)

 

 Session timer (RFC4028)
 SDP (RFC2327)
 RTP/RTCP (RFC823/903)
 NAPTR to help SIP URI to find out (RFC2915)
 STUN (RFC2030)
 ARP/RARP (RFC 826/903)
 SNTP (RFC 2030)
 DHCP/PPPoE
 Use for WEB management’s HTTP server
 TFTP/HTTP automatic configuration
 Message waiting indicator (RFC3842)
 SIP DHCP Options code (RFC3361)
 DNS/DNS SRV (RFC1706 and RFC 2782)
 Support 1 USB2.0 port