Surfing the Internet, e-mailing and faxing have become routine daily activities. Therefore, it is becoming more and more important for your telephone line connection to be fast, clear, protected and uninterrupted. Outside noise such as electromagnetic waves from various radio devices and instruments could decrease your modem/fax transmission speed and interrupt your Internet connection or telephone conversation.The TelCheck Pro provides a sophisticated noise filter to improve your line connection. It is also equipped with a surge protector to protect your modem/fax/telephone from dangerous
