NPR modems FOR SALE: https://www.elekitsorparts.com/product/npr-70



Low prices (79$ fully assembled). International shipping.





Note for USA: Due to CFR 47 Part 97 FCC regulations, for the 70cm amateur radio band (restriction to 100kHz and 56kBaud), only the setting "modulation 20" of NPR-70 seems to be legal in USA. Please always check your local amateur-radio regulation before buying and using NPR70.

Modulation 20: Symbol Rate 50kS/s, bandwidth 100kHz, raw datarate 100kb/s raw, usable datarate 65kb/s.

If you want to discuss about NPR:





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Documentation

PCB Design (Gerbers, BOM, etc...)

Modem Firmware : binaries and sources