ZHQ-1 ZHG-1 Command Telephone:
China ZHQ-1 ZHG-1 Command Telephone:
ZHQ-1 ZHG-1 Command Telephone
1)Chapter 2 of Part 4 of the “ Steel Ship Classification Rules" of the China Classification Society:

Colour: Dull black
Shell material: Q235B
Ringing loudness: >75dB
IP rating: IP22/IP44
Command conversation, conference phone ,caller identification, speed dial





