EFL1-NFC-PMB by STMicroelectronics Design and production,in TanJiayuan Electronics Spot sales,And can pass TanJiayuan Electronics Purchasing。EFL1-NFC-PMB Price reference ¥ 731.629800。EFL1-NFC-PMB - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information EFL1-NFC-PMB Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial