IF Boards

Narrow Band IF Board

Narrow I.F for PRC677

± 7.5 kHz narrow band board for PRC677.

Features low power consumption and sensitivity better than 0.5 µV; a crystal filter is used for optimum selectivity.

Narrow and Wide Band IF Board

Wide I.F for PRC677 A

± 15 kHz wideband I.F. board for PRC 677A allow data transmission up to 2400 baud.

In voice mode, the +/-7.5 kHz filter is used. For data transmission, the wide filter is used.