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Speed Dial Telephone

Speed Dial Telephone

material:304 stainless steel


speed dial telephone

KNZD-57 Speed dial telephone

We are the manufacturer of  Wireless emergency calling system security phone auto dail outdoor indoor phone handset keypad phone for dedicated emergency field We are the manufacturer of  Wireless emergency calling system security phone auto dail outdoor indoor phone handset keypad phone for dedicated emergency field 


1. Stainless steel 304 body for easy Installation.

2. Waterproof rating IP55 dust proof.

3. Support hot-line calling.

4. Weather resistant to IP55 standard, service temperature range from -30 degree to +75 degree. 

5. Lightening protection to ITU-T recommendation K.21.

6. Heavy Duty handset with hearing Aid compatible receiver, Noise canceling microphone.

7. Handset with industrial strong armored cord . 

8. Press the yellow button for the common telephone call, the red phone to emergency phone call.

9. Phone integrity wiring to enable the telephone system to check if the telephone unit is still

   Operational.(If PABX have this available we can provide this function).

10. Optional 7 minute time out to release the line if the handset is left off hook. This function

upon buyer’s requirement).

11. The housing covered with a layer of reflective label for easy identification at night.Optional

12. Application: Tunnel, metro, railway, LRT, speedway, marine, ship,offshore, mine, power plant, bridge etc.


speed dial telephone size


RCM: AS/NZS CISPR 32       Australian communications:AS/CA S004    

Australian Equipment-safety: AS/NZS 60950.1:2015

EMC: EN50121(Railway application-Electromagnetic Compatibility) 


Unit size:286 * 178 * 52mm  Unit: N.W:5.3KG 

1pcs packing box size:         Unit: N.W:KG    Unit G.W:KG 

6pcs in 1 outer Carton box: size: mm  N.W:KG  G.W:KG 

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==>>>> Product Specification


1. PSTN analogue telephone          2. DTMF dialing                

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

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 than 60dB(A)

8. Sound level of ringing:over 70dB(A).

9. Standard frequency:low frequency group:697. 770. 852. 941Hz,

high frequency group:1209. 1336. 1477Hz, frequency deviation:-1.5% ~ +1.5%

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

maximum distance: 7KM

11. Connection: RJ11 screw terminal pair cable (or RJ11 Socket of plug upon request) 

with stainless steel cable protected.

==>>>>Telephone System

Loudspeaker telephone system

==>>>>Product Application

Speed dial telephone

Speed dial telephone

==>>>>Product Detailed Pictures

Speed dial telephone

Speed dial telephone

==>>>>Product Video

==>>>>Please Email US marketing@koontech.com

This product model:KNZD-57