Catalog > Manufacturer > Metricom   Product Type Part Number Description Detail Price External Modems 21009 Ricochet Portable RF Modem - 104504-300 W Cable & Batt. $67.00 Power Supplies I-M 21033 9vdc 1.1a - 8189 for #21044 Barrel $39.00 Hardware Books 95030 Ricochet Modem - Users Guide $67.00 Copyright © 1996-2018 Computer Parts Galore. All rights reserved.