**Overview** This device is compatible with various USB modems that support LTE, HSPA , HSUPA, HSDPA, UMTS, and EVDO. It has been tested and proven to work effectively in 3G/4G and WAN connections. The device ensures a stable and reliable internet connection, even when the main connection is unavailable. One of its key features is the ability to share high-definition (HD) videos wirelessly, offering speeds up to 300Mbps. Additionally, the device provides easy wireless security encryption with a single-touch WPS button. Administrators can also control the bandwidth allocation for each PC, allowing them to manage the network effectively. It’s important to note that the 4G LTE modems are compatible only with the TL-MR3420 version 2.0. **Interface** The device features a USB 2.0 port for connecting LTE/HSPA /HSUPA/HSDPA/UMTS/EVDO USB modems. It also includes a 10/100 Mbps WAN port, four 10/100 Mbps LAN ports, and support for auto-negotiation and auto-MDI/MDIX. The device has several buttons, including a WPS/Reset button, a Wireless On/Off switch, a Power On/Off button, and an external power supply of 12VDC/1A. The dimensions of the device are 8*5.4*1.7 inches (204*138*44 mm). The antenna type is omnidirectional, detachable, and reverse SMA. The antenna gain is 2x5dBi. **Wireless Features** The device supports various wireless standards, including IEEE 802.11b, IEEE 802.11g, and IEEE 802.11n. It operates in the frequency range of 2.4–2.4835GHz and has a transmit power of 20 dBm.er
