The figure below shows the 1800 MHz frequency band (band 3):
The frequency band is operated in FDD mode, with mobile phones transmitting in the lower band and base stations transmitting in the upper band. The band is mainly used for LTE. Further technologies are GSM and NB-IoT. In the furture a migration to NR (5G) is to be expected.
On Feb 7th, 2022 the European Comission stipulated by in an implementing decision (see download below) that so called block edge masks. This allow the use of active antenna systems in this band. This is particularly interesting for the use of 5G.
Last update: Feb 10th, 2022
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