Thuraya SO2510 / SG2520 FDU-3500 Fixed Docking Unit Satellite Phone FDU 3500In perfect working condition with warranty. You will receive what you can see on the photos. FDU 3500 Thuraya fixed docking unit for use with SO 2510 & SG 2520, supplied with: 3 x RJ11 external telephone connection (voice call) external FAX machine connection auxiliary handset connection (voice call) 1 x USB: PC connection (data call, FAX call, GmPRS) 1 x D SUB (9 Pin): external device connection & PC connection (data call, FAX call, GmPRS) 2 x SMA