Within the wanted channel, the effective radiated power used shall comply with the authorisation conditions. Normal effective radiated power (ERP) emissions within the wanted channel do normally not exceed 40 dBm for user equipment and 53 dBm for base station equipment.

The power in the lower and upper adjacent channels, as well as in the lower and upper alternate adjacent channels, shall not exceed a value of 60 dBc below the transmitter output power without the need to be below -36 dBm ERP. These limits are valid for all base stations, user equipment and repeaters.

The unwanted emissions within the spurious domain during operation shall not exceed -36 dBm for frequencies up to 1 GHz and shall not exceed -30 dBm for frequencies above 1 GHz. In standby mode, the unwanted emissions shall not exceed -57 dBm for frequencies up to 1 GHz and shall not exceed -47 dBm for frequencies above 1 GHz.

This requirement applies only to transmitters to be used in base stations or repeaters.

Intermodulation attenuation is a measure of the capability of a transmitter to inhibit the generation of signals in its non-linear elements caused by the presence of the transmitter power and an interfering signal entering the transmitter via its antenna.

In general, the intermodulation attenuation ratio shall be at least 40 dB for any intermodulation component.

Note that ICASA may require a more stringent intermodulation attenuation requirement for base station equipment to be used in special service conditions, e.g., at sites where more than one transmitter will be in service, this is recommended to be at least 70 dB for any intermodulation component.

Transient power is the power falling into adjacent spectrum due to switching the transmitter on and off. The transient power in the adjacent channels (e.g., caused by push-to-talk functionality) shall not exceed -60 dBc in the adjacent channels, or -50 dBc for equipment, without the need to be below -36 dBm.

The adjacent channel selectivity is the measure of the capability of the receiver of the land mobile system to receive a wanted modulated signal at the nominal operating frequency without exceeding a given degradation due to the presence of another land mobile system in assumed 25 kHz channels adjacent to the channel bandwidth for which the equipment is intended. E.g., the centre of an adjacent channel relative to the centre of the nominal channel is at +/- 62.5 kHz for a land mobile system operating with a 100 kHz channel bandwidth.

Blocking is the measure of the capability of the receiver to receive a wanted modulated signal without exceeding a given degradation due to the presence of an unwanted input signal at any frequencies outside of the wanted channel and the lower and upper adjacent and alternate adjacent channels (see “Adjacent channel selectivity” above).

The blocking level shall not be less than -27 dBm.

User equipment transmissions should not exceed total ERP of 40 dBm.

_____________________________________________________