VOIP KNSP-04L Loudspeaker Phone DESCRIPTION ITEM NO.SP04L0042 1. Robust aluminium alloy die-cast body, vandal resistant and tamper-resistant hardware, simple installation. 2. One push button speed dial. 3. With external 30W loud speaker. Material:metal. Impedance:8Ω. Freq.Resp:300-7000HZ. S.P.L:(1M/W):108dB. Magnet:ALum 4. With red flash Light. Work voltage: 12V DC/10W 5. Lightening protection to ITU-T recommendation K.21. 6. Supper good sound clarity during conversation. 7. Metal button keep waterproof and dusty proof. 8. Door cover: orient automatically and good self - closing, convenient for use. 9. Temperature range from -40 degree to +70 degree. 10.Support echo cancellation. 11.Remote software upgrade, configuration and monitoring. 12. Optional 7 minute time out to release the line if the other side hang-up the call. (This function upon buyer’s requirement). 13. Powder coated in UV stabilized polyester finish. 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.

Koon Technology The Global Leader In Industrial Communication VoIP SIP2.0 telephone DTMF dialing Free dial (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...