Daughter board is mounted on the 082UB1, 008U-[ ]1 or 000U-C1 board and installed to the Universal slot in the C1 chassis and provides either an ISDN Primary Rate Interface, T1 Interface or E1 interface. A total of three 1PRIDBs can be installed per system or one 1PRIU per Chassis.
Communicate with other Talkabout radios
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