NB-IoT Serial Port TCP UDP Protocal B8 Frequency IPEX Interface M2M Wireless Transceiver Module cojxu E840-TTL-NB03
USD 10.34USD 11.49
NB-IoT Serial Port TCP UDP Protocal B8 Frequency IPEX Interface M2M Wireless Transceiver Module cojxu E840-TTL-NB03