Features -HW_VER: CPF905-CF5 POE Version - MTK Chipset: MT6735WM - Wi-Fi Chipset: MT6625L -RAM/ROM: 4GB EMMC + 512MB DDR2 -Wi-Fi: IEEE 802.11b/g/n - Wi-Fi transfer rate: up to 150Mbps - Encryption: Wi-Fi protected access (WPA/WPA2)2 - Soft SIM: ESIM or softsim. - Customization: intelligent, high level; customizable - LED: LED indicator Category 4G LTE up to 150Mbps download/50Mbps download. 2.4GHz WiFi speed up to 300Mbps on 2.4GHz 4 x 5 dBi fixed antennas. Micro SIM slot (also included with a SIM adapter that could transform Nano SIM into Micro SIM) 4G-LTE- cellular frequency band. OpenVPN Customers, WireGuard, PPTP, L2TP DNS Configure CloudFlare, NextDNS, Google... Support frequency band - FDD operating band: B1, B3, B5, B7, B8, B20 - TDD Working Band: B38, B39, B40, B41 -WCDMA: B1, B5, B8 - GSM: 900/1800MHz Port. - SIM: 2FF SIM (SIM card is not included) - USB: USB Type A (5V 1A IN). - DC: 12V 1A IN/48V POE adapter. - RJ45: 1 x WAN/LAN. Operating environment - Working temperature: -20°C to 75°C. - Working height: maximum tested current height 3000 m (10,000 inches). If your inside signal is strong enough, you can put the 4g router inside. After inserting the SIM card, the router can directly supply the wifi for computers and mobile phones. If you have no signal inside, you can install the router outside, Then install a wifi amplifier inside.The wifi amplifier can improve the wifi signal; Even if you place the 4G router outside, you can also use the wifi inside via the wifi amplifier.