A base transceiver station has an interface for a digital telephone network fed by cable (usually fiber optic) or a microwave antenna. Cell towers, more formally known as base stations or cell sites, are the cornerstone infrastructure facilitating mobile network communication and, critically, providing access to the Internet for mobile devices. They bridge the gap between radio frequency (RF) signals transmitted by user equipment. U is positioned near the base of the tower. The fiber and. The installation of an OSP fiber optic cable is conventional, underground, direct buried or aerial to the tower and terminated at the base using the hardware for the BBU. Fiber links make system modifications and future Fiber Optics upgrades simpler than would be possible with tradition- or BTS al copper links.
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