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Dead Ringer
This tiny device allows the user to create "dead lines". When someone calls a line that employs this device, they will hear the phone ring and ring, however the target phone never rings because the device blocks the "trigger voltage" that causes a phone to ring. Comes complete with modular and spade connectors for all types of installations.
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Dead Ringer
SPY-BTCR100
MSPR: $199.95
Our Price: $127.96
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