Mobile phone mast. Antennas mounted on top of a mast. These two panel-shaped antennas are known as sector antennas and are used to communicate with mobile phones. The masts are typically 15 metres high with antennas that have a range of a few hundred metres in urban areas. Hundreds of masts and smaller antennas are required to provide uninterrupted coverage across a network | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Public Health England |
Bildgröße: | 2407 px × 3693 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |