Signal GSM Access Equipment

Product Introduction:

Signal GSM Access Equipment is provided by C-top Electronics Co., Ltd.,a major Chemical Waste supplier in Chemicals Material wholesale industry in China.You can check out the specification of Signal GSM Access Equipment below or get any optional result clicking into the following keywords null , Signal GSM Access Equipment , HCD-986W , Description , Features , Details , C-TOP and you can check the authentications and testimonials of Signal GSM Access Equipment .

Description:
Key Specifications/Special Features:
� PSTN (Public Switched Telephone Network) connecting
� GSM 900/1800Mhz Dual band
� Polarity reversal receiving
� Connecting single line phone, key phone, PABX and payphone
� AC/DC power
� Compact size
� Easy to use and install
� LED indicating
� Back up battery (12V) connecting
� Build-in circuit for battery charge
� Temperature: -10 to +45 degrees Celsius
� Humidity: 5％ to 95％
� Power: 13.5VDC
� Impedance: 2 x 250 ohms
� Line voltage: 48VDC +/- 10％
� Line current: 20mA +/- 10％
� Tone: dial tone, busy tone, ringing tone