KNSP-04 Handsfree intercom
KNSP-04 Handsfree intercom

KNSP-04 Handsfree intercom

Name:ANALOGUE Handsfree intercom with door cover and push button



Texture of material:Aluminum alloy and SUS304

DOWNLOAD:Kntech Auto-dial waterproof phone KNSP-04


featuresSpecificationAccessoriesApplicationDetailed picture

Oder Number: Oder Number: 

Handsfree intercom with door cover and push button

Product Description


As Public telephone for indoor or outdoor, Taxi or bus stands or station, Highway call box, Railway, metro, ATM machines side, Tunnel, Port, Dock, Mines, Generation facilities...
A good ideal telephone for use in wet or corrosive atmospheres

Technical parameter

Ambient temperature
Defend grade
Relative humidity
Atmospheric pressure
Circumstance noise
less than 60dB(A)
Sound level of ringing
Standard frequency
697. 770. 852. 941Hz
Call transmission index
(5KM)SLR<12,RLR<-1,stmr>10, output impedance is 600 Ohm.

Product features

Automatically dial with one button Call time limited Send address code of this machine, and code sending time can be adjustable High waterproof, dustproof performance, full aluminum phone cover, IP66 protection grade.Sprayed with imported reflective lacquer on the surface, bright color, 5-10 years not fading, completely conform to the standards of GB/T5237.2-2000.

Scope of application

It is applied to highway for emergency call, railway or subway for interval telephone call, and tunnels, electric tunnels for maintenance call.


Technical Parameters

Ambient temperature:-30 ~ +60 degreeRelative humidity:10%~95%                                        Atmospheric pressure: 86~106Kpa Circumstance noise:less than 60dB(A)
Sound level of ringing:over 70dB(A)                                                                                            Standard frequency:low frequency group:697. 770. 852. 941Hz,
high frequency group:1209. 1336. 1477Hz, frequency deviation:-1.5% ~ +1.5%                        If service line is a 3Km signal - level:Standard 

Ffrequency:low frequency group:-12dB~-6dB                                                                             High frequency group:-10dB~-4dB

Level difference between low and high frequency of compound signal:0dB~3dBT                   The total distortion caused by intermodulation of harmonic wave is lower than the basic level by at least 20dB.

Call transmission index:(5KM)SLR<12,RLR<-1,stmr>10, output impedance is 600 Ohm Parameters is kept in EEPROM, no losing with power-fail.

Emergency telephone
Emergency telephone

Function introduction

Automatic dial-up function: press dial-up keys, 3 ~ 5 seconds for you will be designated to dial the number.
Call time limited: Automatically start seven minutes timing when connecting a telephone. When time is up, phone automatically hangs up in order to prevent lines occupied because of long conversation.

Send address code: Press the answering button when there is a phone call. Then send address code within 2s after answering. When call out, press the call button, send out this phone address code within 1-63s.Achieve the function of delay time through the internal dial-the-code switch.

Detailed Images

Emergency telephone

Machine Parts

Name: Waterproof telephone KNSP-04

Brand: KOON

Original: China

VOIC OVER IP- SIP (Optional)
Connection type: RJ45 Socket inside sealed enclosure
Power supply: External 24V dc
Call set-up Protocol: Session Initiation Protocol(SIP)
Configuration: DHCP or STATIC IP address provisioning

Main Features

Name: Waterproof telephone KNSP-04
Brand:  KOON
Original: China 
VOIC OVER IP- SIP (Optional)
Connection type: RJ45 Socket inside sealed enclosure
Power supply: Standard PoE powered (pls tell if you need External 12V dc)

Call set-up Protocol: Session Initiation Protocol(SIP)

Configuration: DHCP or STATIC IP address provisioning

Emergency telephone


Emergency telephone
Emergency telephone
Emergency telephone
Emergency telephone

Our Servic

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Pre-Sales Service

* Inquiry and consulting support. 

* Sample testing support. 

* View our Factory.

After-Sales Service

* Training how to instal the machine, training how to       use the machine. 

* Engineers available to service machinery overseas.

Packing & Delivery

Emergency telephone
439 *277 *191( mm )
Packaging Details
Phone size: 320*230*120(mm)
Outside box size:439*277*191(mm) 
Packing materials: Pearl cotton cartons 
Gross weight:5.6KG
Net weight:3.8KG 

TAG:   Handsfree intercom
Contact InfoService InquiryView On Map

Contact Info

Hongkong:MSC 2461 RM 1007 10/F HO KING CENTER 2-16 FA YUEN STREET MONG KOK KL HongKong

China: 5/F 268 Ind. Park. Gushu. baoan, shenzhen. China

USA :845 W Fulton Market St Suite 213 Chicago IL 60607 


+852-9068 2799


Msc 2461 RM1007 10/F HoKing Center 2-16FA Yuen Street MongKOK Hongkong