VoIP telephone JWBT831

WLANIP66for railway applications

Application Explosive gas environment 0 zone 1 zone and 2 zone. IIA, IIB, IIC explosive gas environment. Combustible dust environment 20, 21 and 22. T1~T6 temperature group. Dangerous environments such as oil exploitation, chemical industry, military industry, pharmaceutical refining, oil depots, offshore oil platforms, oil tankers, etc. High noise place. Features ◆ Direct access to Ethernet, cross-network segment and cross-route. ◆Digital key dialing, call any terminal to realize full-duplex intercom (default). ◆Calling a call to the area permitted by the permission. ◆The patented design of the phone case is waterproof, dustproof, no need for waterproof cover, beautiful and practical. ◆The circuit inside the telephone adopts the international universal double-sided integrated circuit, which has precise number and call clear, stable work and other advantages. ◆ Aluminum alloy die-cast housing, stainless steel keyboard, explosion-proof PC receiver, zinc alloy fork. ◆30W*4 output high-quality amplifier amplification, with warning lights, clear sound and bright. ◆Automatic answering function, which can realize paging broadcast. ◆You can set the hotline number and lift the machine to realize automatic dialing. ◆Amplification and earpiece volume can be adjusted through the keyboard. ◆ Aluminum alloy die-cast housing, stainless steel keyboard, explosion-proof PC receiver, zinc alloy fork. ◆The surface of the shell is electrostatically sprayed at high temperature, with good antistatic ability and corrosion resistance.