ATA5781-WNQW-VAO

Basic Information
Brand: MICROCHIP (Microchip Technology)
Manufacturer: Microchip (formerly Atmel, acquired by Microchip)
Product Category: Radio Frequency Microcontroller - MCU
Package: QNF32 (also known as 32-VFQFN or 32-QFN(5x5))
RoHS: Yes

Technical Parameters
Operating Frequency: 310 MHz to 318 MHz, 418 MHz to 477 MHz, 836 MHz to 928 MHz (different frequency bands)
Data Bus Width: 8 bit
Program Memory Size: 24 kB (some sources also mention 20kB Flash)
Data RAM Size: 1 kB
Sensitivity: -123dBm
Maximum Data Rate: 120kbps
Modulation or Protocol: UHF ASK/FSK
Current (Receive): 10mA
Data Interface: SPI
Antenna Connector: Not specifically mentioned

Power and Environmental Parameters
Voltage - Supply: 1.9 V ~ 3.6 V
Operating Temperature: -40°C ~ 105°C (note: some sources mention a minimum operating temperature of -50°C with a maximum of 80°C, which may be a limitation under specific conditions)

Other Features
Product Package: Compact and efficient, suitable for various application scenarios.