The tp-link tl-mr3420 is a
300mbps wireless n 3g/4g usb modem router, allowing users to share a 3g/4g mobile broadband connection via wi-fi or ethernet. it features a wan-failover capability (switching between wired and 3g/4g), supports 32 devices simultaneously, has a usb 2.0 port, and includes 10/100mbps ethernet ports.
key specifications & features:
networking standards: ieee 802.11n, 802.11g, 802.11b.
wireless speed: up to 300mbps on the 2.4ghz band.
3g/4g compatibility: supports lte/hspa+/hsupa/hsdpa/umts/evdo usb modems (varies by version)
interfaces: 1 usb 2.0 port, 1 10/100mbps wan port, 4 10/100mbps lan ports
antennas: 2 external detachable omni-directional antennas (reverse sma)
security: supports wpa/wpa2-psk, 64/128-bit wep, wpa/wpa2 encryption, and wps button
operating modes: 3g/4g router, wisp client router, access point