Features: 1) Single-port 12/24 channel T1 voice / fax network module 2) Models: NM-HDV-1T1-12, NM-HDV-1T1-24 3) Other models: a) NM-HDV-1T1-12 b) NM-HDV-1T1-24 c) NM-HDV-1T1-24E d) NM-HDV-2T1-48 e) NM-HDV-1E1-12 f) NM-HDV-1E1-30 g) NM-HDV-1E1-30E h) NM-HDV-2E1-60 Remarks: 1) 1-year warranty 2) All in stock Inner packing: Static bags Outer packing Cartons