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| PartNumber | ATA5781-WNQW | ATA5781N-WNQW | ATA5781 |
| Description | Microcontrollers - MCU RF Microcontrollers - MCU RF Receiver, no user ROM | Microcontrollers - MCU RF Microcontrollers - MCU RF Receiver, no user ROM | |
| Manufacturer | Atmel | Atmel | - |
| Product Category | RF Receivers | RF Misc ICs and Modules | - |
| Series | - | - | - |
| Packaging | Digi-ReelR Alternate Packaging | - | - |
| Package Case | 32-VFQFN Exposed Pad | - | - |
| Frequency | 310MHz ~ 318MHz, 418MHz ~ 477MHz, 836MHz ~ 928MHz | - | - |
| Operating Temperature | -40°C ~ 105°C | - | - |
| Sensitivity | -123dBm | - | - |
| Features | - | - | - |
| Applications | UHF ASK/FSK | - | - |
| Voltage Supply | 1.9 V ~ 3.6 V | - | - |
| Supplier Device Package | 32-QFN (5x5) | - | - |
| Memory Size | 20kB Flash | - | - |
| Data Interface | SPI | - | - |
| Data Rate Max | 120kbps | - | - |
| Modulation or Protocol | UHF | - | - |
| Current Receiving | 10mA | - | - |
| Antenna Connector | - | - | - |