Line Power Telephone Balance Unit

- Isolated, full-duplex 4-wire interface to direct non-digital telephone exchange lines.
- Line powered, requiring no battery or external power.
- Simple optimization of sidetone rejection with any country’s telephone system.
- LEDs indicating ‘Ring’, ‘Line Hold’ and ‘Limit’ conditions.
- Input level control with line-sensing limiter and limit indicator.

---

---

Temporarily out of stock