VOIP KNZD-47A002 Video Door Phone DESCRIPTION ITEM NO.ZD47A002 1. Robust aluminium alloy die-cast body stainless steel face plate 2. Waterproof rating IP55 dust proof. 3. Supper good sound clarity during conversation. 4. Support video uploading(customized). 5. Lightening protection to ITU-T recommendation K.21. 6. DC12V power supply. 7. Temperature range from -40 degree to +70 degree. 8. Support standard Session Initiation Protocol(SIP), RFC 3261. 9. Calling indoor extension for two-way conversation. 10. Support echo cancellation. 11. Remote software upgrade, configuration and monitoring. 12. Built-in dynamic noise reduction, to achieve high-quality voice communications. 13. Optional 7 minute time out to release the line if the other hand hang up.This function upon buyer’s requirement). 14. The housing covered with a layer of reflective label for easy identification at night.Optional 15. Application: Tunnel, metro, railway, LRT, speedway, marine, ship,offshore, mine, power plant, bridge etc. SPECIFICATION Camera: Image Sensor:OV9712 Field of view:150° horizontal *Opposite 170°

Koon Technology The Global Leader In Industrial Communication VoIP SIP2.0 telephone DTMF dialing Hotline (maximum length of each number is 16 digits) Communication: Full duplex 2-way hands-free communication Call Control Signaling:VOIP SIP Info(DTMF), RFC 2833(DTMF) Power:Power over Ethernet, IEEE802.3af, Class 0 Local power, 12VDC,Idle 2W, Max 10W Auxiliary Contacts:1 Aux Output, dry contact Contact Ratings. Load: Resistive load Rated load:0.3 A at 125 VAC; 1 A at 30 VDC Rated carry current:1A Max.switching voltage:125 VAC,60VDC Max.switching current:1A Audio Codes:G.711, G.722, G.729 Network:10/100...