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Vandalproof public phone

Vandalproof public phone

material:Cold-roll steel sheets, SUS 304 potional

we can provide Audio intercom apartment intercom system with phone line powered for home security or public security
vandalproof public phone detail

KNZD-29 vandalproof public phone

we can provide Audio intercom apartment intercom system with phone line powered for home security or public security


1. Cold-roll steel body for easy Installation.

2. Waterproof rating IP55 dust proof.

3. Led indicator for incoming calls, 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. 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).

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

upon buyer’s requirement).

10. Powder coated in UV stabilized polyester finish.

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.



EN55022: emissions                                         EN55024immunity

Ingress Protection: GB4208-93 IP66 FCC        ITU-T Recommendations K21

EMCEN50121(Railway application-Electromagnetic Compatibility)


Unit size:195*130*40mm   Unit: N.W:1.1KG 

1pcs packing box size: 439 *277 *191mm Unit: N.W:1.1KG    Unit G.W:1.5KG 

13pcs in 1 outer Carton box: size: 300*460*350mm  N.W:31.8KG  G.W:16.02KG 

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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 degreeRelative 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
11Hotline setting (maximum length of each number is 16 digits)

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

cable protected

==>>>>Telephone System
Industrial Desktop telephone system

==>>>>Product Application

Vandalproof public phone

==>>>>Product Detailed Pictures

vandalproof public phone factoryvandalproof public phone

==>>>>Product Video

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

This product model:KNZD-29