well that's a disappointment, i just need something that can transmit and receive waves

Hey, I need to know what phidget I need in order to transmit and recieve waves? Most probably I'm building frequency scanner just like radar, I made coding perfect, I just need to experiment this phidget which is totally new to me. (PLEASE JUST LET ME KNOW ABOUT PHIDGET, NOT CODING ENVIRONMENT, THAN...