This filter came bundled with my new modem. New. The ADSL/ADSL2/FTTC Microfilter is a small filter device designed for use with internet broadband connections. It has a BT connector on one side and an RJ-11 connector on the other, allowing it to connect to a variety of broadband routers and modems. This microfilter is essential for ensuring clean and reliable internet signals, as it helps to block out unwanted noise and interference from the line. It is compatible with BT, EE, SKY, and TalkTalk broadband services, making it a versatile and practical option for home or office use.
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