Document ID: chunk:federal_register_of_legislation:F2023L00153:reg:2
Version: federal_register_of_legislation:F2023L00153
Segment Type: reg
Provision Reference: reg 2
Character Range: 17923–18983

2  Adjacent channel selectivity

  In this instrument, the adjacent channel selectivity of a radiocommunications receiver must be greater than or equal to the value specified in column 3 for the receiver's occupied  bandwidth specified in column 1, from the offset specified in column 2.

Column 1                     Column 2                                                                    Column 3
Receiver Occupied Bandwidth  Frequency offsets from the upper and lower frequency limit of the receiver  Minimum relative adjacent channel selectivity (dB)
 20 MHz                     ≤ 5 MHz                                                                     44 dB
≥ 20 MHz                     ≤ 20 MHz                                                                    37 dB

    Source: 3GPP TS 38.104 V17.8.0 (2022-12) Tables 7.2.2-1 , 7.4.1.2-1, 7.4.1.2-2 & 10.5.1.2-1.

Note: The values in column 3 of the table are the ratio between the received unwanted signal power in the adjacent (interferer's) channel and the receiver's sensitivity level.