Telephone handset. Conventional (sub unit) made of impact resistant, flame proof polycarbonate casing and manufactured specifically for use with Zeta's fire telephone control panel. Ring sound level: 65 db. Frequency response: 300 - 3400 Hz +/- 3 dB. Bus voltage: 13-28 V DC.
| Make | Zeta |
|---|---|
| Manufacturer | GLT Exports Ltd |
| Model code | ZTT |
| Additional info |
Telephone handset. Conventional (sub unit) made of impact resistant, flame proof polycarbonate casing and manufactured specifically for use with Zeta's fire telephone control panel. Ring sound level: 65 db. Frequency response: 300 - 3400 Hz +/- 3 dB. Bus voltage: 13-28 V DC. |