Bluetooth OBD2 OBDII Car Diagnostic Scanner Auto Fault Code Reader Tool ELM327

HM-R series FSK receiver moduleFEATURESHighly integrated, small sizeHigh sensitivity, low power consumptionFSK technology, suitable for replacing ASK modulesLess interference, longer

UNIVERSAL ISM BAND FSK TRANSCEIVER MODULERFM12B is a low costing ISM band transceiver module implemented withunique PLL. It works signal