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% explosion-proof telephone
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< % < Product Features
Analog phone, compatible with most B, B and systems
Sturdy casing, strong anti-riot
Automatically closes line when busy tone
Supports dry contact signal output
With automatic answering function
High temperature detection certification
Ringing sound level: B ring melody to choose from
Speaker output decibel value: within the range of B
Phone book: operable addresses (name and number)
Stainless steel metal keyboard
Magnetic spring hook
Telephone line powered, no external power supply required
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Display screen
Menu settings
Greeting settings, such as: Welcome to Kunlun Phone
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The phone book can store an optional phone number
The ringing speaker can be up to
The sound level of hands-free calls can reach level
The sound level of earpiece and receiver can reach level
Up to multiple optional ringtone melodies
Model:
The background light intensity can reach level
Display the number being dialed
Display the call time
Authentication
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Technical Parameters
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< Weight
< Display Screen
One-line alphanumeric display
Up to grade backlight optional
< Keyboard
Stainless steel metal keyboard, moisture-proof and frost-proof, waterproof level up to
/> Buttons with operable letters
< Handset
Dynamic coil receiver with hearing aid function
Electret-type transmitter, excellent listening experience Noise function
Metal hose line, strong stretchability, tensile strength tested above
< Waterproof level
< Resistance ability:
< Call flash transmission distance:
Max:
< Dialer:
< Plus Functions:
External speakers
External headphones
Earpiece
Ringer
< Temperature
℃ ℃
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Factory Picture
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