Thanks Larry ! Great!
But can we operate at the band edge 863.00MHz, so the spectrum will occupy 862.9 - 863.1MHz ? Is it allowed spread the spectrum into two frequency bands? BR Amund Fra: Larry K. Stillings Sendt: 2. april 2024 19:24 Til: EMC-PSTC@LISTSERV.IEEE.ORG Emne: Re: [PSES] 863MHz - Short Range Devices Amund, I hit send too soon. Looks like ERC 70-03 dated March 8, 2024 does now include 862 - 863 MHz band for Occupied Bandwidths of less than 350 kHz, so technically you could operate down to 862.11 MHz. Or basically the same information you found in ETSI EN 300 220-2. Here is the link to the ERC 70-03 which I always go back to since that is the document that demonstrates what frequency ranges have been adopted. See Annex I, page 8. https://docdb.cept.org/download/4435 Larry K. Stillings Compliance Worldwide, Inc. Test Locally, Sell Globally and Launch Your Products Around the World! 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From: Amund Westin Sent: Tuesday, April 02, 2024 1:04 PM To: EMC-PSTC@LISTSERV.IEEE.ORG <mailto:EMC-PSTC@LISTSERV.IEEE.ORG> Subject: [PSES] 863MHz - Short Range Devices Case: Running an IoT device with center frequency 863.00MHz and with occupied bandwidth 200kHz. Such setup would mean that half the spectrum would fall into the 862MHz band. My first thoughts would be, that it is outside the Band K (863-865) and not allowed. I would have to at least step it up to 863.25MHz, to have some margin between the lower part of the signal spectrum and the lower edge of the frequency band. The I came over the new draft issue of EN 300 220-2: <https://www.etsi.org/deliver/etsi_en/300200_300299/30022002/03.02.02_20/en_ 30022002v030202ev.pdf> https://www.etsi.org/deliver/etsi_en/300200_300299/30022002/03.02.02_20/en_3 0022002v030202ev.pdf >From table 2, page 20: Here we have a new band K0, 862-863MHz. So, it's a kind of extension of the 863-865MHz band. Question 1: Would it be allowed to transmit in the 863MHz band, but still have some part of the spectrum coming into the 862-863MHz band? Question 2: Transmit in the edge between to bands (862-863MHz and 863-865MHz), which means center frequency 863.00MHz, is anyway, not allowed? Best regards Amund _____ This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. 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