What this unit is and what it did
The Siemens 6GT2813-0AA10 is a SIMATIC RF610M handheld terminal built on the Psion Workabout Pro platform. It combines a UHF RFID reader operating in the 902-928 MHz frequency range (EPC Global Class 1 Gen 1) with a 1D barcode scanner (SE 1223HP), a 256 MB SD card, and a pistol-grip handle. The unit shipped with user software and a user manual.
