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Stainless Steel Telephone

Stainless Steel Telephone


stainless steel telephone description

Stainless steel telephone rugged

       The stainless steel telephone is made of 304 stainless steel as a raw material. The appearance is square and the whole metal is cast.Often used in public places as a vandal-proof phone
Stainless steel telephones are made of stainless steel and are wall mounted telephone or recessed. The public telephone is made of SUS304 stainless steel, which makes the telephone strong and lustrous. The Stainless steel public telephone has the resistance to fall, the wear-resisting, the solid, the service life is long, is the bank, the hospital, the railway station, and so on public occasion service telephone best choice.

Why choose our stainless steel telephones?

We are the largest industrial phone manufacturer in Asia. We can independently develop and produce various stainless steel phones. According to customer requirements, mass production can be carried out. Our endless steel telephone adopts wall-mounted installation or embedded installation, which is easy to install and firm. The appearance is made of stainless steel, which is vandal-resistant, not easy to wear, has a long service life, and we can provide you with two versions of Voip and formwork.


1. Shell: stainless steel material with high strength and elasticity, wide high impact strength, wide service temperature.

2. Hook: stainless steel, using magnetic induction hang up, don’t need hook switch, no contact gaps.

3 . Buttons: metal buttons, abrasion-proof and anti aging. (Can be customized back lit keyboard)

4.Display: This model is IP version supports Caller ID or IP address of the display. (Can be customized according to standard GSM CDMA, etc.)

5.Handset: special ABS, / PC synthesis, integrated structure, good sealing, resistance to knock ,twisted pull no deformation, doesn’t burst at -35 centigrade.

6. Wire: using Teflon wire, acid and alkali resistance, high temperature, anti-aging, do not catch fire.

7. Waterproof glue : imported waterproof glue, high viscosity, high temperature resistance, high pressure, waterproof life more than 10 years.

8. Transmitter and receiver of handset ,keyboard, buzzer,circuit board ,shell , all accessories use multi-layer waterproof and dust-proof structure. It has three-level waterproof, dust proof functions, the whole rating reach to IP66.

9. Telephone is very stability, strong anti-jamming capability, In line with the national standard GB / T 15279-94.


stainless steel telephone design


EN55022: emissions                                         EN55024immunity

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

EMCEN50121(Railway application-Electromagnetic Compatibility)

the stainess steel telephone certificate


the stainless steel telephone packing

Unit size:260*150*130mm   Unit: N.W:2.14KG 

1pcs packing box size: 340*235*165mm   Unit N.W:2.14KG    Unit G.W:3KG 

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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. 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. 941Hz,high frequency group:1209. 1336. 1477Hz, 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)


1. VoIP SIP2.0 telephone                                              2. DTMF dialing                                                     

3. MTBF100000hours                                                   4. MTTR: 2 hours 

5. Auxiliary Contacts:1 Aux Output, dry contact            6. Rated load:0.3 A at 125 VAC; 1 A at 30 VDC

7. Contact Ratings. Load: Resistive load                      8. Echo cancellation code:G.167/G.168

9. Rated carry current:1A                                             10. Max.switching current:1A

11. Max.switching voltage:125 VAC,60VDC                 12. Audio Codes:G.711, G.722, G.729

13. IP Protocols:IPv4, TCP, UDP, TFTP, RTP, RTCP, DHCP, SIP

14. Free dial (maximum length of each number is 16 digits)            

15. Communication: Full duplex 2-way hands-free communication

16. Call Control Signaling:VOIP SIP Info(DTMF), RFC 2833(DTMF)

17. Network:10/100 BaseTX Ethernet, RJ45 connectors, Cat5e or better 

18. Power:Power over Ethernet, IEEE802.3af, Class 0  Local power, 12VDc,Idle 2W, Max 10W

19. Programming:Non-volatile flash memory programming and configuration through Web GUI

20. Management and Operation:DHCP and static IP, remote automatic software upgrade, centralized monitoring, status LED  

21. LAN Protocols:Power over Ethernet(PoE,802.3af), WLAN(IEEE 802.3af), Network Access Control(IEEE 802.1x),STP(IEEE 802.1d), RSTP(IEEE 802.1d-2004)

==>>>>Telephone System

The stainless steel telephone embedded installation

stainless steel telephone mounted wall

Stainless steel telephone use in bank telephone system

The entire banking system uses the ip communication system, and the ip stainless steel phone is used to build the entire bank communication system.

stainless steel telephone use in bank telephone system

==>>>>Product Application

Stainless steel telephone use in bank and scenic spots

stainless steel telephone use place stainless steel telephone use place stainless steel telephone use place

==>>>>Product Detailed Pictures

Red and no display stainless steel telephone

stainless steel telephone red stainless steel telephone stainless steel telephone no display stainless steel telephone no display

==>>>>Product Video

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

This product model:KNZD-07K-LCD


Anne-December 23, 2018-India

I bought this stainless steel telephone and installed it at my door, so I don't have to be careful to be damaged.