RADIO COMMUNICATION DEVICES

Brand Owner (click to sort) Address Description
CDS E.F. JOHNSON COMPANY 1440 Corporate Drive Irving TX 75038 radio communication devices, namely trunked or conventional land mobile radios;
INTELLIGENT CHOICES FOR A WIRELESS WORLD E.F. JOHNSON COMPANY 1440 Corporate Drive Irving TX 75038 radio communication devices, namely radio transmitters and receivers;
THE PRACTICAL CHOICE E.F. JOHNSON COMPANY 1440 Corporate Drive Irving TX 75038 radio communication devices; namely, radio transmitters and receivers;
TUFFTRONIX TuffTronix 11767 South Dixie Highway #145 Miami FL 33156 Radio communication devices, namely, radio devices for using wireless unlicensed frequencies for hands free full duplex communication;TUFF ELECTRONICS; TOUGH ELECTRONICS;
 

Where the owner name is not linked, that owner no longer owns the brand

   
Technical Examples
  1. A conference call facility is described in which one (2a) of a group of communication devices (2a,2b,2c,2d) connected to a low power radio frequency network (9) is able to set up a call to a party external of the network (9) and then selectively add further devices (2a,2b,2c) to the call under the control of the user of the one device (2a). The users of the other devices (2b,2c) are able to enable or disable the selection of their device in a conference call. One or more of the communication devices may be a mobile radio telephone equipped with the necessary network interface (1).