Description 1. Card Slot: Built-in card slot, supports 4G to WiFi. 2. Frequency Band: Stable 4G output, continuous network, high speed. 3. Connectivity: WiFi is available when the card is inserted, no need to worry about insufficient mobile phone data. 4. Chip: Upgraded universal network chip with multiple signals and built-in antenna to avoid interference. 5. Supported Devices: Supports multiple devices connecting simultaneously; compact, convenient, and slim. Type: Wireless Standards and Protocols: Wi-Fi 802.11g, Wi-Fi 802.11b, Wi-Fi 802.11n Application: Mini Wifi Function: Firewall Wi-Fi Supported Frequency: 2.4G Model: UQ160C-1 Theoretical Speed: 150Mbps System: For Android 5.1 Antenna: Built-in full network communication antenna Working Voltage: 3.7V Product Size: 95x33.5x13mm / 3.74x1.32x0.51in Receiving Sensitivity: -106 dBm Maximum Emission Work: 23dBm - 25dBm@All up Operating Temperature Range: -20 - 75 ℃ Protocols: WiFi 802.11b/g Bluetooth Compatible: BT 4.0 Frequency Bands: 4G: LTE B1/B3/B5 3G: WCDMA B1/B5 3G: EVDO How to Use: 1. Remove the back cover. 2. Insert the SIM card with the core facing down. 3. Connect the USB port to a power source to get WiFi. 4. Connect to WiFi and go online. 5. Connect to WiFi and open 192.168.0.1 in your browser to access the backend. The backend allows you to set the WiFi name and APN password. Color: White Material: Plastic Package Contents: 1 x Wireless Router Repeater Only the above package content is included; other products are not. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm.