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D541R Honeywell Red Fire Control Keypad NEW
$89.99
D6540 Telco Line Card for D6500 Receiver. Firmware version 6.0 Save money on this older revision. Use the newer fir…
$199.99
D6540 Telco Line Card for D6500 Receiver. Firmware version 7.0 New with 1 year warranty.
$209.99
D6540 Telco Line Card for D6500 Receiver. Firmware version 7.88 New with 1 year warranty.
New D6541 Contact ID line card. Requires D6511 MPU Card. New with one year warranty.
$39.99
D6545 Telco Terminal Card for D6500 Receiver. New in Box.
$29.99
D6545 Telco Terminal Card for D6500 Receiver. Tested with 90 day warranty.
$169.99
Radionics D6555 printer terminator card for D6500 receivers. For connection of external printer to D6500 receiver. S…
$1,999.99
Conettix D6600 Communications Receiver/Gateway Up to 32 lines for public switched telephone network (PSTN) comm…
Used Bosch D6640 4 phone line Central Station Line Card for D6600 Receiver. These were lightly used for laboratory testi…
Modular design plug-in circuit board. Provides isolation and transient suppression to the Conettix D6641 Telephone Line …
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