KNZD-45A - Koontech Doorphone analog

1. PSTN analog telephone 2. DTMF dialing

3.MTBF:100000hours 4.MTTR:2 hours

5. Connection: RJ11 screw terminal pair cable 6. Sound level of ringing: over 70dB(A).

7. Call transmission index:(5KM)SLR<12,RLR<-1,stmr>10, output impedance is 600 Ohm.maximum distance: 7KM

8. Applicable for various types of SPC exchange PABX and dispatching exchange system with feeding voltage of 33-60V.

9. Connection: RJ11 screw terminal pair cable (or RJ11 Socket of plug upon request), with stainless steel cable protected

10. Super strong function is available for dialing 12 groups of numbers stored in the memory, (maximum length of each number is 16 digits)

11.Standard frequency:low frequency group: 697. 770. 852. 941 Hz,high frequency group: 1209. 1336. 1477 Hz, frequency deviation:-1.5% ~ +1.5%

12. Ambient temperature: -30 ~ +60 degree. Relative humidity:10%~95% Atmospheric pressure: 86~106Kpa Circumstance noise:less than 60dB(A)

Also exists in SIP: KNZD-45IP