May be I missed the ID but manual 31 R1-2 URR says headset Navy Type CW 49507 or equivalent Pete D . Williams METUNG 3904 Australia jupete at bigpond.net.au -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.344 / Virus Database: 267.10.18/91 - Release Date: 6/09/2005