This is Cidco Caller I.D. Box, JA-25A-18 . Landline

It is a telephone appliance and complies with Parts 15 and 68 of FCC rules. FCC Registration Number: HOLTHA-21781-ND-N. REN: 0-0B, Jack Type: RJ-11C, UL LISTED 1K77 . SA: LR 97232-1 LOAD: 5