[elecena] PT42-21B/TR8-U1 - zmiany ceny Transceivery światłowodowe; PT42-21B/TR8; EVERLIGHT; 940 nm; 2; Surface Mount; Yes PT42-21B/TR8-U1 - 0.19 PLN https://elecena.pl/product/30342346/pt42-21b-tr8-u1 2026-05-31 PT42-21B/TR8-U1 - 0.17 PLN https://elecena.pl/product/30342346/pt42-21b-tr8-u1 2026-09-15