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Điện thoại khẩn cấp trực quan SIP
Điện thoại khẩn cấp trực quan SIP
Điện thoại khẩn cấp trực quan SIP
Điện thoại khẩn cấp trực quan SIP

Điện thoại khẩn cấp trực quan SIP

SIP Visual Emergency Telephone is specially used for outdoor emergency telephone, pick the machine can automatically call the emergency phone line. Commonly used in mines, tunnels, scenic spots, school and other unexpected events may occur.

nhận báo giá
Thông sốKích thướcCác ứng dụngHướng dẫn
Telephone: Dual-Tone Multi-Frequency
Nhiệt độ môi trường: -20℃ đến 70℃
Độ ẩm tương đối: 10% đến 95%
Atmospheric Pressure: 80-110 kPa
Sound Pressure Level: ≥ 90dBA
Operating Frequency: 300-3400 Hz
Sending Loudness Rating(SLR): 5- 15dB
Receiving Loudness Rating(RLR): -7-2dB
Side Tone Masking Rating(STMR): ≥7dB
Keypad: Number Key(0-9), Function Key: Emergency Call Button, Redial Button, Hang-up Button
2.75 inches 800*480 pixel tft display

This product: SIP Visual Emergency Telephone

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