The Viking FBI-1A Anti-Feedback Paging Interface eliminates the feedback "squeal" when paging. The paging amplifier can be turned up to any level and the phones can be located anywhere. A contact is provided to activate the amplifier, if needed. (Power supply included)

Features:

• High quality (64K) digital message storage
• High output - 2V RMS into 600 ohms
• 16 second record time expands to 1 minute using an ERAM-60 Memory Kit
• Activate recording from VOX detection, contact closure or loop detect (trunk mode only)
• Cancel page feature
• Selectable page repeat
• Selectable pre-page alert tone
• Selectable post-page alert tone
• Adjustable alert tone volume
• N.O./N.C. relay contacts control paging system
• Record/playback LED indicator
• Compatible with virtually all paging and telephone systems
• VOX (adjustable sensitivity) activates paging amp
• Compatible with paging ports or trunk ports