Sailor CRY2001 Synchronized Analog Compact HF Scrambler CRY 2001 f/ RT2047 RT144Sailor CRY2001 Synchronized Analog Compact HF Scrambler CRY 2001 Works with Marine VHF, such as: SAILOR RT2047 RT144A RT144B RT144C SSB T121 T122 T124 T126 T128 T2031 Works perfectly, fully tested with guarantee. You will receive what you can see on the photos. **** CRY2001 is a synchronized analog scrambler for commercial use. Fisherman often use these modes to communicate with privacy. The CRY2001 and Sailor radios were developed by S. P. Radio A S