33-centimeter Band
The 33-centimeter or 900 MHz band is a portion of the UHF radio spectrum internationally allocated to amateur radio on a secondary basis. It ranges from 902 to 928 MHz and is unique to ITU Region 2. It is primarily used for very local communications as opposed to bands lower in frequency. However, very high antennas with high gain have shown 33 centimeters can provide good long range communications almost equal to systems on lower frequencies such as the 70 centimeter band. The band is also used by industrial, scientific, and medical (ISM) equipment, as well as low powered unlicensed devices. Amateur stations must accept harmful interference caused by ISM users but may receive protection from unlicensed devices.
In ITU Region 3, New Zealand domestically allocates 921 MHz to 928 MHz to amateurs.
Read more about 33-centimeter Band: History, Current Amateur Uses, Propagation Characteristics, Popular Equipment Used On The 33 Centimeter Band
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