TACNPR by Scoms -- Open hardware high-speed Ethernet/IP data radio for the 433 MHz HAM band, binary-compatible with the original NPR by F4HDK.

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Main components

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Part NumberDescription
Si4463
23LC1024
STM32L432KC
SRV05-4
MHW720A
CH340G
PSA4-5043 (SPF5043Z)
74HC04Hex Inverter
XC6206PxxxMR
B39431B3710U410
W550010/100Mb SPI Ethernet controller with TCP/IP stack, LQFP-48

TACNPR schematic

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TACNPR board layout