Huawei 4G router 2 modem B311-221 with SIM card slot CAT4 150 LTE CPE 2.4GHz outdoor router support VoIP

Overview Huawei 4G Router 2 Modems B311-221 with SIM card slot CAT4 150Mbps LTE CPE 2.4GHz outdoor router supporting VoIP over Internet Protocol B311-221 Huawei LTE CPE is a long-term wireless gateway (LTE) for multiple users in home or small office environments. It allows users to access the Internet. The B311-221 supports 3GPP Release 9 with UE downlink/uplink Category 4. Service functions are as follows: data service up to DL 150Mbps (64QAM) and UL 50Mbps (16QAM). Operating bands: LTE: B1/3/7/8/20/38, UMTS: B1/B8, GSM: B2/B3/B5/B8. Voice service: CS/VoIP (optional)/VoLTE (optional). Wi-Fi: 2.4 GHz 802.11b/g/n 2x2 MIMO up to 300 Mbps. Maximum users: 321. LAN/WAN port: 1 GE port. Multiple APN functions (optional) for data and VoIP services and TR-069 services. Routing mode: Enable NAT (default) / IP passthrough (optional). VPN services (L2TP, PPTP). Client management via WebUI or Huawei SmartHome app (iOS or Android). Operator maintenance via TR-069 (optional) and TR-143 (optional). Huawei firmware over-the-air (OTA).