Model NO.: KNZD-07A Vandal Resistan: Yes Tamper-Resistant: Yes Type: Auto Dial Phone Size: 280 X 192 X 42mm Mounting Type: Flushed Mounting Type Transport Package: Koontech Standard Pearl Cotton Origin: Shenzhen, China Material: Stainless Steel Keypad: Yes Lightning Proof Protection: Itu-T K.21 Waterproof: IP55 Vesion: Analogue / IP/Viop Optional Trademark: KOON/OEM Specification: Koontech Standard Pearl Cotton HS Code: 8517180090 Specifications
Stainless Steel SUS304?
3.SUS304 Flush/Mounting mounting?
4.Best professional professional
Stainless Steel Metal Button Telephone Knzd-07A Emergency Phone
The telephone is compatible with most of simulative or digit telephone distance control exchanger. Mainly used as handset free sound telecommunication in hazardous work environment.?
1. Analogue /?IP/VIOP optional
2. Metal body. Mechanical hook switch.
3. Autodial when phone is picked up.
4. The speed-dial number can be optionally set or changed by keypad and its very easily operated.
5. Tally with the full function of the common telephone?
6. Wearable, waterproof, moisture proof, Vandal resistant and tamper-resistant hardware
7. Lightening protection to ITU-T??K.21
8. Handset integrity wiring to enable the telephone system to check if the telephone unit is still operational.
9. Selectable 7?minute time out
10. Stainless steel keypad withstands high loads.
11. The stainless steel armoured handset cord is manufactured to withstand high tensile forces.
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.
Specification:(Main technical indexes)?
1. Applicable for various types of SPC exchange and dispatching exchange system with feeding voltage of 33-60V.
2. Ambient temperature: -30 ~?+60 degreeRelative???Relative humidity: 10%~95%
Atmospheric pressure: 86~106Kpa Circumstance noise: 70dB(A).
4. 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 frequency: low frequency group: -12dB~-6dB, high frequency group: -10dB~-4dB, level difference between low and high frequency of compound signal: 1dB~3dB, 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
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