A radiotelephone subscriber unit which overcomes the problem of attempting to access an undesired radiotelephone system is disclosed. A comparison between the system identification transmitted on a control channel of a desired radiotelephone system and the system identification transmitted on an access...http://www.google.es/patents/US4905301?utm_source=gb-gplus-sharePatente US4905301 - Selective system scan for multizone radiotelephone subscriber units
Selective system scan for multizone radiotelephone subscriber units
