| Telephone line guardian v1 |
Turns alarm on if phone line is in use. |
2.91 |
995 |
| Telephone line guardian v2 |
Turns on alarm if phone line is in use. |
2.91 |
813 |
| Telephone line recorder v1 |
A device that turns-on voice recorder automatically and taps to the phone line. |
2.89 |
3,346 |
| Telephone line recorder v2 |
A device that turns-on voice recorder automatically and taps to the phone line. |
2.89 |
2,374 |
| Telephone line recorder v3 |
A device that turns on voice recorder automatically and records phone conversation. |
2.89 |
1,668 |
| Telephone line recorder v4 |
A device that turns-on voice recorder automatically and taps to the phone line. |
2.93 |
1,911 |
| Telephone line status |
Another device for telephone line status indication. |
2.93 |
1,202 |
| Telephone metering signal counter |
Counts 16kHz signals on phone line. |
2.89 |
2,967 |
| Telephone ring counter |
Telephone ring counter device. |
2.88 |
1,812 |
| Telephone ringer |
Audio and visual telephone ringer. |
2.91 |
1,496 |
| UPS for cordless phones |
Backup power supply for cordless phones base station. |
2.92 |
1,699 |
