[elecena] MM-U57D - zmiany ceny Czytnik RFID; 5V; GPIO,RS232 TTL; 22,9x30,5x14,5mm MM-U57D - 172.20 PLN https://elecena.pl/product/4877971/mm-u57d 2014-12-11 MM-U57D - 163.59 PLN https://elecena.pl/product/4877971/mm-u57d 2015-03-05 MM-U57D - 167.28 PLN https://elecena.pl/product/4877971/mm-u57d 2016-01-10 MM-U57D - 180.81 PLN https://elecena.pl/product/4877971/mm-u57d 2017-08-11 MM-U57D - 167.28 PLN https://elecena.pl/product/4877971/mm-u57d 2017-11-11 MM-U57D - 146.37 PLN https://elecena.pl/product/4877971/mm-u57d 2018-05-02 MM-U57D - 209.10 PLN https://elecena.pl/product/4877971/mm-u57d 2026-05-28