Huawei 4G Router - B311-221 - White With the Huawei 4G Router - B311-221, you can connect 32 devices simultaneously at a distance of up to 250 metres over Wi-Fi. Meaning no matter where you are in the house, it will be possible to get online. The incredible download speed of up to 150 Mbps and upload speeds of up to 50 Mbps ensures you and your entire family can enjoy the internet without needing a physical broadband connection. Specification Speed Download: 150 MbpsUpload: 50 Mbps3 x Internal Antennas1 x Power Adapter Port1 x LAN/WAN Port (RJ45)1 x Phone Port (RJ11)1 x External Antenna Port (SMA)1 x SIM Card Slot (Mini-SIM)Frequency Bands LTE: B1/B3/B7/B8/B20/B38UMTS: B1/B8GSM: B2/B3/B5/B8