Usage Tips:ADSL microfilter suitable for phones, fax machines, alarm systems, and digital TV boxes. The DSL filter adaptor separates voice and data signals to prevent interference and dropouts. This splitter is designed for use with ADSL broadband internet in the UK, featuring high-performance circuits to maintain high-quality telephone conversations while supporting ADSL line speeds. It plugs into a BT-style telephone socket and provides one telephone socket and one ADSL modem connector socket. Circuit protection is provided by standard central protection methods and additional built-in protection measures in the POTS splitter to guard against line overload, which could damage the splitter. BT to RJ11 allows a broadband modem to be connected alongside a standard telephone device. It filters out unwanted noise that may occur on the telephone line due to the ADSL signal. Designed for improved durability, stability, and precise fit. Color: White. Material: Plastic. Package includes: 2 x BT plug to ADSL RJ11 splitter. No other items included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.