There is nothing you can do with a USRP to expose you to harmful levels of RF energy. You would need to add an amplifier.
On Fri, Nov 10, 2017 at 11:04 AM Arjun Bakshi <bakshi...@buckeyemail.osu.edu> wrote: > Wanted to further clarify something. Do you mean that a usrp will in most > cases stay below acceptable levels, or that my specific setup is safe? > > Like TX at 520mhz makes the snr much higher compared to that at 1.2GHz. > > Thanks > > AB > > ---- Bakshi, Arjun wrote ---- > > Thanks for clearing that up. > > > AB > ------------------------------ > *From:* Nick Foster <bistrom...@gmail.com> > *Sent:* Monday, November 6, 2017 3:58:05 PM > *To:* Bakshi, Arjun > *Cc:* usrp-users@lists.ettus.com > *Subject:* Re: [USRP-users] TX power levels. Long term exposure. > > Don't worry about it. You are several orders of magnitude below any sort > of permissible exposure limit. > > Nick > > On Mon, Nov 6, 2017 at 11:21 AM Bakshi, Arjun via USRP-users < > usrp-users@lists.ettus.com> wrote: > > I'm looking to do long duration experiments in a lab which will have > people in it while I TX and Rx, and I'd like to know what health and safety > concerns I should keep in mind. > > > I tried looking at FCC and EU for limits on radiation levels, but those > specs aren't straightforward to understand. It's also difficult to get an > estimate of absolute power rxed/txed from the USRPs. So I'd like to hear > from anyone who knows about this stuff. > > > I'm using SBX (max power 100mW), and I'm thinking of using either the > 500-700MHz or the 1.2-1.3 GHz band. I'll be transmitting for *5ms every > second for a few hours*. The room is about 6m x 15m. Then antennas will > be 1-2 meters away from a few people. TX and RX are about 4m apart. With > gain set to 25dB, my signal has ~30dB SNR. > > > Sorry if this seems a bit odd/specific. > > > Thank you, > > > AB > > > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > >
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