# Implementation ideas for software defined radios

I find Software defined radios interesting, and was searching for ways to learn about it.

One way is getting your feet wet with devices like USRP products.

However, USRPs are rather expensive.

What are alternatives/less expensive suggestions for getting a software-defined-radio implementation?

I would like to use it to eventually build things like a GSM base transceiver station, etc. in a budget-friendly way.

• Please define "budget-friendly".
– mng
Sep 2 '12 at 17:52
• Budget friendly like less than $100 Sep 3 '12 at 11:15 • Then you'll have to wait a few years. Right now even the "revolutionary" Per Vices Phi is$750.
– mng
Sep 3 '12 at 16:37