The most professional manufacture in Asia! The exclusive supplier for all Metro project in China! Kntech exhibition in German Hamburg SMM, USA WEST ISC, USA OTC, ...etc. KNTD-59 is an electronic intercom system which can keep high-fidelity in any window to chat. It adopts United States’ most advanced chips with unique design and the stringent quality management. It reaches the highest standard performance in sound quality, volume, anti-jamming, anti-whistle… It is widely used in bank, hospital, station, control room and so on.. Main Features: Matching with most IP PABX, PBX and PAX systems 1. Main body with whole stainless steel body, solid and temperature bearable 2. Handset free, built-in loudspeaker 3. Resume lightning proof protection automatically standard to ITU-T K21 4. Waterproof grade is IP55 5. The metal shell is provided with grounding connection device and is absolutely insulated with inner circuit and electric , then has the effect of electromagnetism shield

6. Support hotline call, can realize ring off automatically if the other side close 7. Totally adopt SMTC craftwork keep very good quality 8. The design is super thin and smart. Embed style and hanging style can be chosen. 9. Every call is limited(set by five minutes), auto ring off if time exceeded. (Optional) 10. The telephone has passed the certificate of ISO9000(2000) 11. Support speed dial with free dial simultaneously. Speed dial 10 groups or 3 groups optional Caller ID Date time Dialing number Conversation time counting Can add or Minus function according to buyer’s need Specification:...