scope:

The present document applies to constant envelope angle modulation systems for use in the land mobile service, using the available bandwidth, operating on radio frequencies in the 27 MHz CB radio frequency band, with channel separations of 10 kHz, intended for voice and data transmissions. It applies to analogue and combined analogue and digital radio equipment with an internal or external antenna connector intended for the transmission of data and/or speech. The types of equipment covered by the present document are as follows: - base station (equipment fitted with an antenna socket, intended for use in a fixed location); - mobile station (equipment fitted with an antenna socket, normally used in a vehicle or as a transportable); - and those handportable stations: a) fitted with an antenna socket; or b) without an external antenna socket (integral antenna equipment).