SPI with mutiple device

Hello all - I want to connect with two device (RFID and Mrf24j40). But SPI only one port. So what should I do ?

Connect SPI, MISO, MOSI in parellel to both. Use a unique slave select with each, such as D10 and D9. If you don't use D10, make sure to set it as an output so your Arduino is SPI bus master.