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Telephone Line Tester
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Ningbo Yuhui Communication Equipment Co.,Ltd.
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Product description
Telephone Line Tester
Specifications
1.telephone function Dial, Ring, Talk
2. Mute
3. Tone/Pulse
4. High voltage protection
5. Polarity indication Butt set
2. Mute
3. Tone/Pulse
4. High voltage protection
5. Polarity indication Butt set
Main Functions
1. Common telephone function: Dial, Ring, Talk
2. Mute
3. T/P switch
4. High voltage protection (by fuse)
5. Polarity indication by LED
6. Volume adjust
7. Pause
8. Store phone number
9. Monitoring function
10. Last number redial
11. Telecom Line Identifying (Telephone line, ISDN line, ADSL line)
Key Features
1. Dumbbell shape, small size, simple operation
2. Special Dumbbell shape design
3. Small size
4. Easy operation
5. Solid new materials for shell
6. Waterproof and vibration proof
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