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| Part Number | ST25RU3991-BQFM | ST25RU3993-BQFM |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Product Status | Obsolete | Obsolete |
| Type | RFID Reader | RFID Reader |
| Frequency | 860MHz ~ 960MHz | - |
| Standards | EPC, ISO 18000-6 | - |
| Interface | SPI | - |
| Voltage - Supply | 5V ~ 5.5V | - |
| Operating Temperature | -40°C ~ 85°C | - |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 64-VFQFN Exposed Pad | 48-VFQFN Exposed Pad |
| Supplier Device Package | 64-QFN (9x9) | 48-QFN (7x7) |
