Features: Support IEEE 802.11b/g/n network protocol, transmission rate up to 300Mbps, stable and fast. The router can be used with a network cable, or you can plug in a SIM card to enjoy the wireless network. The matching car supplies power to the device through its own power supply and changes the on-board WiFi in seconds, covering the whole car. Equipped with Nano SIM card slot, 4G network can cover the whole home, without cable, easy to use. Supports a maximum of 32 concurrent users. The product is portable, suitable for home, business office, outdoor, hotel, business trip and so on.