P-9911(M): Thiết bị liên lạc cầm tay

1-Description:

– P-9911(M) is a mobile type emergency telephone
– Handset, which can be taken by the security guard,
– Fireman or others on duty. The person can go to the
– Nearest jack sockets, plug and talk to the central
– GST-FT series of fire telephone panels located in the command center.
– Commission is not required.

2-Specification:

– Frequency Range 300Hz ~ 3400Hz
– Ring Sound ≥70dB(A)
– Voice Distortion less than 10%
– Operating Current 17mA ~ 31mA
– Plug Diameter 6mm
– Material & Color ABS, Red
– Operating Environment Temperature: -10°C ~ 50°C
– Humidity: ≤95%, non condensing
– Weight About 250g