The P-900-HA is a 125 Khz proximity card reader. It's larger physical antenna provides a long range read range of up to 20" when using a full size proximity card. This HA version reads Farpointe, HID and AWID proximity cards.
Datasheet available here: P900_TDS.pdf (farpointedata.com)
If there are questions about compatibility of this reader with your card or application, please email email@example.com before ordering.
These professional readers require a door controller to function.
HID is a registered trademark of HID Global Corp, an Assa Abloy company.