Brand Huawei Model Name B535 Special Feature Lightweight Frequency Band Class Dual-Band Wireless Communication Standard 802.11ac, 802.11n Compatible Devices Smartphones, Tablets New 2022 4G + 2CA Category 7: Huawei 4G CPE 3 B535-232a, 24 months warranty, advanced 4G LTE aggregation 2CA up to two frequencies at once, Category 7 with 4 Gigabit ports, one of which is a LAN/WAN port Accepts external antennas: Nano SIM card slot DDNS, built-in VPN client L2TP/PPTP 2 × SMA connector for external 4G antenna Plug and Play: Turn off the PIN on the phone for more convenience. New Design: Lightweight and easy to carry.