5 watts is licensed. 1 watt and less is unlicensed - maybe. handheld voice communication is limited, a lot, In general, spurious cannot be any higher than intentional. As long as both are below 15.209. Note peak limits too! and the restrictied bands of 15.205? which incudes harmonics - in my view! For example, if my harmonics look like my fundamental but they are in the restricted bands then they have to get fixed!
Dang... forgot to hit send last night! >________________________________ > From: Ken Javor <[email protected]> >To: [email protected] >Sent: Monday, April 1, 2013 10:43 PM >Subject: Control over handheld radio and similar low-power transmitter >harmonic and spurious power output, USA > >All, > >Several people provided helpful pointers to various sections of the CFR with >regards to the subject, but I am confused reading sections 47 CFR Parts >15.109 and 15.209. What I am looking for is a control on harmonics and >spurious emissions from handheld transmitting devices, which can include >RFID, and transmitters in the unlicensed 900 MHz range, and Wi-Fi, but also >handheld radios operating at vhf and uhf, such as around 150 MHz and 400 >MHz. What I am seeing in the above named sections are what appear to be >limits on field intensity in the uV/m to mV/m range with no differentiation >between fundamental and harmonics and spurs, and while these might make >sense for unlicensed bands, it doesn't make sense (to me at least) for a >handheld radio that can transmit up to 5 Watts. > >Can someone please clue me in? > >Thank you, > >Ken Javor >Phone: (256) 650-5261 > >- >---------------------------------------------------------------- >This message is from the IEEE Product Safety Engineering Society emc-pstc >discussion list. To post a message to the list, send your e-mail to ><[email protected]> > >All emc-pstc postings are archived and searchable on the web at: >http://www.ieee-pses.org/emc-pstc.html > >Attachments are not permitted but the IEEE PSES Online Communities site at >http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used >formats), large files, etc. > >Website: http://www.ieee-pses.org/ >Instructions: http://listserv.ieee.org/request/user-guide.html >List rules: http://www.ieee-pses.org/listrules.html > >For help, send mail to the list administrators: >Scott Douglas <[email protected]> >Mike Cantwell <[email protected]> > >For policy questions, send mail to: >Jim Bacher: <[email protected]> >David Heald: <[email protected]> > > > - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]>
