Robust And Explosion Proof Telephone Knex1

We are engaged in manufacturing, exporting and supplying excellent quality Robust And Explosion Proof Telephone KNEX1 in Shenzhen, Guangdong, China.

Features:
Analogue telephone matching with most PABX, PBX and PAX system
Robust SMC 2600 glassfibre reinforced polyester die-cast body, Vandal resistant and tamper-resistant hardware, simple installation.
Busy tone detection for auto release the line if line busy
Dry contact for external control automation
Auto answer
Full Soft lock: only dial out from phone book 50 memory address number
Half soft lock: limit to dial out starting number, e.g. a 00852a area code
High temperature approval
Ring sound 95 dB dfd in 1 m and 10 ringing tone melodies selectable
Listening by loudspeaker: 70dB in 1m
Phone book memory: 50 address ( name & number) programmable
Stainless steel keypad for dial and manuel
Magnetic reed hook-switch
Telephone line powered. No external power or battery required