[elecena] PT42-21B/TR8-U3 - zmiany ceny Transceivery światłowodowe; PT42-21B/TR8; EVERLIGHT; 940 nm; 2; Surface Mount; Yes PT42-21B/TR8-U3 - 0.56 PLN https://elecena.pl/product/30345866/pt42-21b-tr8-u3 2026-06-01 PT42-21B/TR8-U3 - 0.47 PLN https://elecena.pl/product/30345866/pt42-21b-tr8-u3 2026-07-18