[elecena] RF A20board RF A20board - zmiany ceny Moduł GSM/GPRS WiFi 850,900,1800,1900MHZ UART/GPIO 3.3÷4.2V, -30÷80 °C, SMD RF A20board RF A20board - 62.25 PLN https://elecena.pl/product/23429168/rf-a20board-rf-a20board 2023-05-11 RF A20board RF A20board - 56.68 PLN https://elecena.pl/product/23429168/rf-a20board-rf-a20board 2025-09-04