The Huawei B311 is a new 4G LTE CPE with Category 4 LTE technology. The Huawei B311 can provide LTE connections at speeds of up to 150 Mbps through its Gigabit Ethernet port. B310 LTE CPE can cover a smoother wireless network up to 250 meters. Even after a successful update, you can easily restore the software to a previous version. Just hold the WPS and Power buttons for smooth rollback. Via LTE CPE B310 Huawei LTE CPE B311-221 Specifications: Huawei B311-221: LTE-FDD Band 1/3/7/8/20/38 UMTS: B1 / 8 GSM: B2 / 3/5/8 - 4G LTE Category 4 CPE - Data service up to DL 150 Mbps (64QAM) and UL 50 Mbps (16QAM) - Working band: LTE: B1 / 3/7/8/20/38, UMTS: B1 / B8, GSM: B2 / B3 / B5 / B8 - Voice Service: CS / VoIP (Optional) / VoLTE (Optional) - Wi-Fi: 2.4GHz 802.11b / g / n 2x2 MIMO up to 300Mbps. - Maximum number of users: 32 - 1 RJ45 port for LAN / WAN - Multi APN function (optional) for Data, Voice (VoIP), TR-069 service - Routing mode: NAT enabled (default) / IP Pass-through (optional) - & nbsp; VPN client service (L2TP, PPTP) - Client management via web interface or HUAWEI SmartHome app (iOS or Android) - Operator service via TR-069 (Optional) and TR-143 (Optional) - Huawei Wireless Firmware (HOTA) * Dimensions : 181.0 mm x 126.0 mm x 70.0 mm * Weight: about 226 g Short information Max. LAN data rate: 150 Mbps With modem function: No Standards and protocols: Wi-Fi 802.11b, Wi-Fi 802.11g, Wi-Fi 802.11n Supported Wi-Fi frequency: 2.4 GB Supports WDS: No Supports WPS: Yes Wi-Fi transmission standard: 802.11b Wired transmission rate: 150 Mbps Wi-Fi transmission rate 2.4 GHz: 300 Mbps Encryption type: WPA2-PSK, WPA2, WPA3, WPA-PSK, WPA, WPA2-Personal Products Status: New, Stock Type: Wireless Application: Main Function: FireWall, Voip, QoS, VPN LAN Ports: 1 WAN Ports: 1 Certification: CE, FCC Brand: HUAWEI Place of Origin: Guangdong, China Wi-Fi Transfer Rate Fi 5G: No Color: White Support: VOLTE Network mode: 4G LTE + 3G (HSPA + / HSPA / UMTS) Model: B311-221