Sell weather and vandal resistant telephone

weather and vandal resistant  telephone You May Also Be Interested In: door cover inner door slr telephone vandal resistant
Special Type of Phone:
Application Specification
Model: KNSP-01
Defend grade: GB 4208-93 IP 66
Call capability of phone: GB/T 15279-94
Application scope: metro, light railroad, speedway, ship, mine, etc.
External configuration specification:
External dimension: 320W205W120mm Weight: 5.5Kg
Installment dimension:139W260mm M8 bolt is used to install
1. Upper cover
2. Sealing circle
3. Handset
4. Ring hole
5. Main body
6. Keyboard
7. Middle cover board
8. Logo (optional)
9. Cover spring
10. Connection soft tube for wiring
Main features of product:
1, Cabinet: aluminum alloy die-casting, high anti-violent, able to glisten, convenient for looking for ( optional) .
2, Door cover: adopt the stainless steel spring joint , orient automatically and good self-closing, with spring mounted inner door axis, , the cover can auto flip back and the lock can be auto locked , additional lock can be mounted for better protection.
3, Handset: made of special engineering plastic, high anti-knock resistance, high tensile strength resistance and high anti-violent.
4, All of the components including handset telephone receiver and transmitter, keypad, buzzer, circuit board and cabinet are designed to be multi-layer waterproof and dust-proof which is up to Class III grade. The whole machine has gained the certificate of national standard GB4208-93 IP 66
5, Phone is provided with high stability, high anti-jamming capability, and it is up to national standard GB/T 15279-94.
Main technical indexes:
1, Applicable for various types of SPC exchange and dispatching exchange system with feeding voltage of 48-69V.
2, Ambient temperature:-300~600 Relative humidity:10%~95%
Atmospheric pressure: 86~106Kpa Circumstance noise:<= 60dB (A)
3, Sound level of ringing: >=70dB (A) .
4, Standard frequency: low frequency group: 697, 770, 852, 941Hz,
high frequency group: 1209, 1336, 1477Hz, frequency deviation: <=11.5%
If service line is a 3Km signal-level:
Standard frequency: low frequency group: -9dB13dB, high frequency group: -7dB13dB, level difference between low and high frequency of compound signal: 211dB, 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 600(Ohms).
6, Super strong function is available for dialing 12 groups of numbers stored in the memory (maximum length of each number is16 digits)
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