2-line inline DSL filter, ADSL and VDSL2 up to 30 MHz compatible. The In-line Filter connects between the wall jack and voice device (e.g. phone, fax, answering machine, Caller ID) providing a single filtered jack for one or two lines of voice device communications. Suttle In-line DSL filters eliminate all erratic impedance from telephone equipment that interfere with DSL communications. Filters are available in one or two line filtering configurations Customer installable Meets ANSI T1E1.4 7R2 standards for DSL filter compliance.