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Audio intercom one push button type KNZD-09 analogue

Audio intercom one push button type KNZD-09 analogue
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HONGKONG KOON TECHNOLOGY LTD The Global Leader In Industrial Communication Analogue KNZD-09 EmergencyIntercomDESCRIPTION ITEM NO.:ZD0090012 1. Stainless steel 304 body for easy Installation 2. Waterproof rating IP55 dust proof 3. Hands-free, built-in 0.5w loudspeaker 4. Service temperature range from -30 degree to +70 degree 5. Lightening protection to ITU-T recommendation K.21 6. Support hotline calling. Support induction loop(optional) 7. Support echo cancellation, flush mounted installation 8. Telephone line powered 9. Support auto-answer and auto-hangup 10. Optional 7 minute time out to release the line if other side hang up. This function upon buyer's requirement) 11. Body in electrophoresis process finish no fingerprint. Resistant to corrosion 12. Application: Tunnel, metro, railway, LRT, speedway, marine, ship,offshore, mine, power plant, bridge etc

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Koon Technology The Global Leader In Industrial Communication 1. PSTN analogue telephone 2. DTMF dialing 5. Connection: RJ11 screw terminal pair cable 6. Applicable for various types of SPC exchange PABX and dispatching exchange system with feeding voltage of 33-60V. 7. Ambient temperature:-30 ~ +60 degree. Relative humidity:10%~95% Atmospheric pressure: 86~106Kpa Circumstance noise:less than60dB(A) 8. Sound level of ringing:over 70dB(A). 10. Call transmission index:(5KM)SLR<12,RLR<-1,STMR>10, output impedance is 600 Ohm. maximum distance: 7KM 11. Hotline setting (maximum length of each...

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