Indoor 4G CPE devices are ideal for residential and business applications with integrated WiFi Access point, Router, optional VOIP/POTS ports. Typically mounted in an indoor location, ideally in a window or location with favourable LTE signal coverage for best performance. The indoor routers are available with WiFi and VOIP RJ11 Analogue Telephone ports to connect traditional telephone and fax devices over the LTE network. Optionally, these CPEs can be customised with operator logos, different case colours and form factors to meet operator needs.