Connected to RS-232 (COM port) - Plug DB9 ("small" COM - 9 pin). OEM part number is DSK001C706. Cable used to program following handhelds: GP-2000, GP-2100, PRO-2150, P-030, P-020. Software MUST be purchased from Motorola directly. We do not sell or distribute Motorola software. PRG-MOT-2000$44.50 Have questions or need help? Please call (800)977-0448 10AM-5PM PST.