| Telephone line guardian v1 |
Turns alarm on if phone line is in use. |
2.91 |
993 |
| Telephone line guardian v2 |
Turns on alarm if phone line is in use. |
2.92 |
812 |
| Telephone line recorder v1 |
A device that turns-on voice recorder automatically and taps to the phone line. |
2.90 |
3,343 |
| Telephone line recorder v2 |
A device that turns-on voice recorder automatically and taps to the phone line. |
2.88 |
2,369 |
| Telephone line recorder v3 |
A device that turns on voice recorder automatically and records phone conversation. |
2.88 |
1,663 |
| Telephone line recorder v4 |
A device that turns-on voice recorder automatically and taps to the phone line. |
2.93 |
1,903 |
| Telephone line status |
Another device for telephone line status indication. |
2.92 |
1,197 |
| Telephone metering signal counter |
Counts 16kHz signals on phone line. |
2.89 |
2,961 |
| Telephone ring counter |
Telephone ring counter device. |
2.86 |
1,803 |
| Telephone ringer |
Audio and visual telephone ringer. |
2.90 |
1,494 |
| UPS for cordless phones |
Backup power supply for cordless phones base station. |
2.92 |
1,698 |
