Guangdong, China
Business Type:
Year of Establishment:
Plant Area:
2600.0 square meters
Management System Certification:
Terms of Payment:
LC, T/T, PayPal, Western Union
OEM/ODM Service
Sample Available
MEI Awards
Spanish Speaker

Emergency Telephone, Public Telephone, Sos Telephone manufacturer / supplier in China, offering Emergency Help Handfree Telephone Tower with One Button for Public, 2020 Kntech Emergency Outdoor Intercom VoIP Public Hands Free Intercom, Clean Room Intercom IP Phone Lab Telephone Handsfree Phone with Keypad and so on.

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Supplier Homepage Products SOS Telephone EM Series GSM Emergency Help Handfree Telephone Tower with One Button for Public

Emergency Help Handfree Telephone Tower with One Button for Public

Min. Order / Reference FOB Price
1 Piece US $1-699/ Piece
Port: Shenzhen, China
Production Capacity: 1000PCS Per Day
Payment Terms: L/C, T/T, Paypal
Product Name: Public Emergency Sos Telephone Knem-21 Outdoor Tel
Material: Matel Body or Stainless Steel
Light: DC24V
Telephone Model Plate Style: Knzd-09
Function: The Light Will Flash When There Is a Call
Seek Help: Light Flash

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Basic Info

Model NO.
Power Suplly
External 24V DC
Built-in Battery Standby
Through Internal Speaker/Ringer
Built-in Battery Talking Time
21 Hours
Transport Package
Kntech Standard Pearl Cotton Packing
Shenzhen, China
HS Code
Emergency help handfree telephone tower with one button for public
The emergency call telephone will be designed to work on Railway, metro, tunnel, etc. Housed in robust aluminium box with one CALL/ ANSWER button, it will offer protection against the outdoor environment and vandals.
The unit will meet all the latest European/UK standards telephony, waterproofing IP65, and lightening protection together with offering the level of performance and reliability demanded in such an environment.
Main Features:  
  l  Standard and SMART Analogue and VoIP-SIP/ GSM options available
  l  DTMF(Dual Tone Multi Frequency)
  l  Matching with most PABX,PBX and PAX systems.
1.  Main body with whole metal body, solid and temperature bearable
2.  Handset free, build-in loudspeaker,
3.  Resume lightning proof protection automatically standard to ITU-T K21
4.  Waterproof grade about IP55
5.  The metal shell is provided with grounding connection device and is absolutely insulated with inner circuit and electric ,then has the effect of electromagnetism shield.
6.  Support hotline call, can realize ring off automatically if the other side close.
7.  Totally adopt SMTC craftwork keep very good quality.
8. KNEM-23   The design is super thin and smart. Embed style and hanging style can be chosen. 
9.  Every call is limited(set by five minutes),auto ring off if time exceeded. (Optional)
10    The telephone has passed the certificate of ISO9000(2000)
11. Built-in CCTV camera will open/close automatically when telephone on/OFF.
12. Blue light automatically open and /close when there's a phone call coming.
As Public telephone for indoor or outdoor, elevator phone, 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
Connection type: RJ45 Socket inside sealed enclosure
 Power suplly: External 24V dc
 Call set-up Protocol: Session Initiation Protocol(SIP)
 Configuration: DHCP or Static IP address provisioning
 Emergency Help Handfree Telephone Tower with One Button for Public
Light: DC24V
Telephone model plate style: KNZD-09
Function:the light will flash when there is a call
Seek help: light flash
During the night:automaticly turn on  , During the day:automaticly turn off
Main technical indexes:

  1, Applicable for various types of SPC exchange and dispatching exchange system with feeding voltage of 48-69V.
  2, Ambient temperature:-30ºC~60ºC Relative humidity:10%~95%
Atmospheric pressure: 86~106Kpa Circumstance noise:≤ 60dB(A)
  3, Sound level of ringing:≥70dB(A). 1W speaker
  4, Standard frequency:low frequency group:697,770,852,941Hz,
high frequency group:1209,1336,1477Hz, frequency deviation:≤±1.5%
If service line is a 3Km signal-level:
Standard frequency:low frequency group:-9dB±3dB,high frequency group:-     7dB±3dB,level difference between low and high frequency of compound signal:2±1dB,the total distortion caused by intermodulation of harmonic wave is lower than the basic level by at least 20dB.
  5, Call transmission index:(5KM)SLR≤12,RLR≤-1,STMR≥10, output impedance is 600Ω.
  6, Super strong function is available for dialing 12 groups of numbers stored in the memory (maximum length of each number is16 digits)
EMC: EN50121 (Railway application- Electromagnetic Compatibility)
      EN55022: emissions   EN55024: immunity
Ingress Protection: GB4208-93 IP66
ITU-T Recommendations K21
Emergency Help Handfree Telephone Tower with One Button for Public

unit weight;with light pole:80KG size:3830*325*535mm
unit weight without light pole:75KG size:2300*325*301
1pcs in each wooden box,size:2350*450*330
20GP:75PCS 40GP:150PCS 40HQ:180PCS
Emergency Help Handfree Telephone Tower with One Button for Public

Our service:
Pre-Sales Service
* Inquiry and consulting support.
* Sample testing support. 
* View our Factory.

After-Sales Service
* Guide how to instal the device, guide how to use the device. 
* Engineers available to service machinery overseas.

 Emergency Help Handfree Telephone Tower with One Button for Public

Our company:
Emergency Help Handfree Telephone Tower with One Button for Public

Start from 1998, KOON Technology Ltd located in HONGKONG and have its own factory in Shenzhen China which is one hour drive from HONGKONG.
KOON mainly devote to the R&D. manufacture and sales of the Emergency Telephone remote management system of vessel internal PAGA emergency help phone system,weatherproof telelphone for Metro and RFID door phone for access control. 

The production covered by Analogue / Fiber optic system and wireless GSM telephone and IP VOIP SIP telephone call system. The Remote management system of tourists emergency help phone,off shore ship internal comunication system, sos emergency call system, SOS highway or Tunnel emergency call system, fire alarm system, Explosion proof telephone for Oil and Gas industry, telephone booth for weatherproof industry. developed by ours own strong R&D team. Voice to control CCTV and door access and manage the site had success-fully applied to Bank ATM stop ,tourists' SOS help in Beauty Spot , expressway remote management ,SUBWAY, Metro, Tunnel, Power plant, off share, airport,passenger and disable assistance ,etc
it also enter into the European and American and Asia and Middle east market successfully with wonderful reputation

We had developed a good cooperation with some famous companies domestic and oversea, such as the Siemens ,Alcate, Thales, Honeywell, ALSTON, ABB, Schlumberger ,Singapore Technology INFA, TTIC, ZET, Huawei.....

The market Stretchs of Waterproof industrial Telephone Analog Weatherproof phone Heavy Duty Telephone across to USA Canada France Russia Italy Norway Switzerland Finland Denmark Germany, Portugal Holland Britain Brazil Chile Venezuela.Mexico,rgentina.Malaysia.Inda.Vietnam.Thailand.Singapore.Pakistan.Nigeria. Shouth Africa. Egypt. Sudan Tunis Kenya.Tanzania. Korea and Japan.etc.
We are NO.1 in Asia and we have our own products patent and qulified with IP67, EN Railway 50121,CE,FCC,ATEX DNV...etc.Quality control process basis on ISO9001. Over 17 years experence your best trustworthy.
Welcome to text Emergency help handfree telephone tower with one button for public
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