| Model: | - |
|---|---|
| Brand: | JOIWO |
| Origin: | Made In China |
| Category: | Consumer Electronics & Lighting / Telephones & PABX |
| Label: | weatherproof phone , jial phone , public phone |
| Price: |
US $99
/ pc
|
| Min. Order: | 10 pc |
| Live Chat: | Last Online:13 Aug, 2015 |
1.features:
1 shell made of stainless steel,High anti-explosion ,it used in all the unattended substation environment or anyone else .
2 suitable for kinds of SPC telephone exchange,which can interconnect to China Telecom net directly,connect in parallel with citizen telephon net.
3 with the function of monitor tone digital recording .can be connected to the monitor equipment directly.
4 The telephone adopt znic alloy keypad ,which life cycle ≥ 1 million ,push force 160-200grams,good hand feeling .
5 Handle adopts imported pc engineer material thermostabilith of the PTFE wire.Famous brand microphone clear conversation.
6 Hook adopts magnetic induction switch,life cycle ≥ 500 thousand.
7 Telephone board adopts famous imported broad and selected by high and low temperature aging test .It is provided with high stability,high anti-jamming capability ,and it is up to national standard GB/T 15279-2002
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2.Technical parameter |
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Defend grade |
IP66 |
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Ambient temperature |
-30~+60°C |
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Relative humidity |
≤95% |
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Atmospheric pressure |
80~106KPa |
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Voltage |
180--240AC |
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Feed current |
25mA |
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Call transmission index |
SLR≤12,RLR≤-1,STMR≥10,output impedance:600Ω |
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Frequency response |
300~3400 Hz |
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Ambient noise |
≤70dB |
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Ringing sound level |
≥75dB |
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