3G/4G/LTE USB Modems for LAN-Cell and PocketPORT Cellular Routers -- And Other 3G Routers, 4G Routers and LTE Routers.
Proxicast offers a wide and varying selection of 3G/4G/LTE modems from such manufacturers as Alcatel, AT&T, Franklin, Huawei, Netgear, Nokia, Novatel, Option, Pantech, Sierra Wireless, Verizon, ZTE, and many more. For use on 3G/4G/LTE carriers such as AT&T, Sprint, T-Mobile, Verizon, US Cellular, Bell Canada, Rogers, Telus, SaskTel, BTC, Digicel, FLOW, Moviestar, Telcel, and many other carriers around the globe.
OpenSignalMaps is a comprehensive database of cell phone towers, cell phone signal strength readings, and Wi-Fi access points around the world. OpenSignalMaps is also a very useful free app on the Android market.