BX-UL1571-SH1.0-5P BX-UL1571-SH1.0-6P BX-UL1571-ZH1.5-2P BX-UL1571-ZH1.5-3P BX-UL1571-ZH1.5-4P BX-UL1571-ZH1.5-5P BX-UL1571-ZH1.5-6P BXV203-GS08 BXV-231H 27.000MHZ BXV-253R 27M 3.3V