|
2-Line Intercom-Cum-Telephone Line Changeover Circuit
|
331 |
|
8 Line Intercommunication using 89c51
|
397 |
|
A simple adapter to record a conversation with a telephone line
|
376 |
|
A simple device to test the phones
|
512 |
|
A simple indicator-busy line
|
532 |
|
A simple intercom
|
543 |
|
Access to the networks of satellite operators
|
595 |
|
Adaptation of imported phones
|
595 |
|
Adapter for AVA
|
999 |
|
Against pirates telephone
|
597 |
|
Amateur radio FRE-92
|
995 |
|
Amplifier to a telephone
|
631 |
|
Amplifier to the Spectrum of
|
643 |
|
Another option antenna for cell phone
|
572 |
|
Another phone amplifier
|
618 |
|
Another phone Guard
|
568 |
|
Answering machine announcing the time
|
453 |
|
Anti-ANI
|
605 |
|
Automatic recording of telephone conversation
|
481 |
|
Aviation Intercom
|
655 |
