Re: [PSES] Adaptivity test for 5GHz access point
Thank You Charlie.Christopher On Thursday, March 25, 2021, 12:45:32 PM PDT, Charlie Blackham wrote: Chris EN 302 502 doesn’t require LBT – but is for Broadband Fixed Wireless Access (this doesn’t have to be “WiFi”, but often is) Best regards Charlie Charlie Blackham Sulis Consultants Ltd Tel: +44 (0)7946 624317 Web:https://sulisconsultants.com/ Registered in England and Wales, number 05466247 From: Chris Sent: 25 March 2021 19:27 To: emc-pstc@listserv.ieee.org; Charlie Blackham Subject: Re: [PSES] Adaptivity test for 5GHz access point Charlie, Yes we have both Master and slave devices. How about EN 302 502 does it require LBT? mostly we are in 5725-5850 MHz band due to higher EIRP. Regards Christopher On Thursday, March 25, 2021, 12:17:52 PM PDT, Charlie Blackham wrote: Christopher EN 301 893 requires LBT to meet the mandatory Adaptivity clause I’m assuming that you comply with DFS Slave only, as DFS master requires ability to detect, so is a form of LBT. I think the only bit of 5 GHz spectrum available to you is 5725-5875 MHz at 25 mW under EN 300 440. Some European countries allow higher powers in this band, such as 200 mW, but that’s on a country by country basis Best regards Charlie Charlie Blackham Sulis Consultants Ltd Tel: +44 (0)7946 624317 Web:https://sulisconsultants.com/ Registered in England and Wales, number 05466247 From: Chris <0133def26cf0-dmarc-requ...@listserv.ieee.org> Sent: 25 March 2021 17:40 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Adaptivity test for 5GHz access point Folks, I have a 5GHz Wifi product that does not meet LBT conformanence. What ETSI certification can I pursue? Can we use EN 301 893 or EN 302 502 standards. We do however meet DFS requirements. Thank you for your feedback in advance. Regards Christopher - 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 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://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas Mike Cantwell For policy questions, send mail to: Jim Bacher: David Heald:
Re: [PSES] Adaptivity test for 5GHz access point
Chris EN 302 502 doesn’t require LBT – but is for Broadband Fixed Wireless Access (this doesn’t have to be “WiFi”, but often is) Best regards Charlie Charlie Blackham Sulis Consultants Ltd Tel: +44 (0)7946 624317 Web: https://sulisconsultants.com/ Registered in England and Wales, number 05466247 From: Chris Sent: 25 March 2021 19:27 To: emc-pstc@listserv.ieee.org; Charlie Blackham Subject: Re: [PSES] Adaptivity test for 5GHz access point Charlie, Yes we have both Master and slave devices. How about EN 302 502 does it require LBT? mostly we are in 5725-5850 MHz band due to higher EIRP. Regards Christopher On Thursday, March 25, 2021, 12:17:52 PM PDT, Charlie Blackham mailto:char...@sulisconsultants.com>> wrote: Christopher EN 301 893 requires LBT to meet the mandatory Adaptivity clause I’m assuming that you comply with DFS Slave only, as DFS master requires ability to detect, so is a form of LBT. I think the only bit of 5 GHz spectrum available to you is 5725-5875 MHz at 25 mW under EN 300 440. Some European countries allow higher powers in this band, such as 200 mW, but that’s on a country by country basis Best regards Charlie Charlie Blackham Sulis Consultants Ltd Tel: +44 (0)7946 624317 Web: https://sulisconsultants.com/ Registered in England and Wales, number 05466247 From: Chris <0133def26cf0-dmarc-requ...@listserv.ieee.org<mailto:0133def26cf0-dmarc-requ...@listserv.ieee.org>> Sent: 25 March 2021 17:40 To: EMC-PSTC@LISTSERV.IEEE.ORG<mailto:EMC-PSTC@LISTSERV.IEEE.ORG> Subject: [PSES] Adaptivity test for 5GHz access point Folks, I have a 5GHz Wifi product that does not meet LBT conformanence. What ETSI certification can I pursue? Can we use EN 301 893 or EN 302 502 standards. We do however meet DFS requirements. Thank you for your feedback in advance. Regards Christopher - 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 mailto:emc-p...@ieee.org>> 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://www.ieee-pses.org/list.html (including how to unsubscribe)<http://www.ieee-pses.org/list.html> List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas mailto:sdoug...@ieee.org>> Mike Cantwell mailto:mcantw...@ieee.org>> For policy questions, send mail to: Jim Bacher mailto:j.bac...@ieee.org>> David Heald mailto:dhe...@gmail.com>> - 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 mailto:emc-p...@ieee.org>> 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://www.ieee-pses.org/list.html (including how to unsubscribe)<http://www.ieee-pses.org/list.html> List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas mailto:sdoug...@ieee.org>> Mike Cantwell mailto:mcantw...@ieee.org>> For policy questions, send mail to: Jim Bacher mailto:j.bac...@ieee.org>> David Heald mailto:dhe...@gmail.com>> - 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 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://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas Mike Cantwell For policy questions, send mail to: Jim Bacher: David Heald:
Re: [PSES] Adaptivity test for 5GHz access point
Charlie, Yes we have both Master and slave devices. How about EN 302 502 does it require LBT? mostly we are in 5725-5850 MHz band due to higher EIRP. Regards Christopher On Thursday, March 25, 2021, 12:17:52 PM PDT, Charlie Blackham wrote: Christopher EN 301 893 requires LBT to meet the mandatory Adaptivity clause I’m assuming that you comply with DFS Slave only, as DFS master requires ability to detect, so is a form of LBT. I think the only bit of 5 GHz spectrum available to you is 5725-5875 MHz at 25 mW under EN 300 440. Some European countries allow higher powers in this band, such as 200 mW, but that’s on a country by country basis Best regards Charlie Charlie Blackham Sulis Consultants Ltd Tel: +44 (0)7946 624317 Web:https://sulisconsultants.com/ Registered in England and Wales, number 05466247 From: Chris <0133def26cf0-dmarc-requ...@listserv.ieee.org> Sent: 25 March 2021 17:40 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Adaptivity test for 5GHz access point Folks, I have a 5GHz Wifi product that does not meet LBT conformanence. What ETSI certification can I pursue? Can we use EN 301 893 or EN 302 502 standards. We do however meet DFS requirements. Thank you for your feedback in advance. Regards Christopher - 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 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://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas Mike Cantwell For policy questions, send mail to: Jim Bacher David Heald - 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 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://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas Mike Cantwell For policy questions, send mail to: Jim Bacher David Heald - 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 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://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas Mike Cantwell For policy questions, send mail to: Jim Bacher: David Heald:
Re: [PSES] Adaptivity test for 5GHz access point
Christopher EN 301 893 requires LBT to meet the mandatory Adaptivity clause I’m assuming that you comply with DFS Slave only, as DFS master requires ability to detect, so is a form of LBT. I think the only bit of 5 GHz spectrum available to you is 5725-5875 MHz at 25 mW under EN 300 440. Some European countries allow higher powers in this band, such as 200 mW, but that’s on a country by country basis Best regards Charlie Charlie Blackham Sulis Consultants Ltd Tel: +44 (0)7946 624317 Web: https://sulisconsultants.com/ Registered in England and Wales, number 05466247 From: Chris <0133def26cf0-dmarc-requ...@listserv.ieee.org> Sent: 25 March 2021 17:40 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Adaptivity test for 5GHz access point Folks, I have a 5GHz Wifi product that does not meet LBT conformanence. What ETSI certification can I pursue? Can we use EN 301 893 or EN 302 502 standards. We do however meet DFS requirements. Thank you for your feedback in advance. Regards Christopher - 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 mailto:emc-p...@ieee.org>> 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://www.ieee-pses.org/list.html (including how to unsubscribe)<http://www.ieee-pses.org/list.html> List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas mailto:sdoug...@ieee.org>> Mike Cantwell mailto:mcantw...@ieee.org>> For policy questions, send mail to: Jim Bacher mailto:j.bac...@ieee.org>> David Heald mailto:dhe...@gmail.com>> - 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 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://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas Mike Cantwell For policy questions, send mail to: Jim Bacher: David Heald:
[PSES] Adaptivity test for 5GHz access point
Folks, I have a 5GHz Wifi product that does not meet LBT conformanence. What ETSI certification can I pursue? Can we use EN 301 893 or EN 302 502 standards. We do however meet DFS requirements. Thank you for your feedback in advance. Regards Christopher - 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 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://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas Mike Cantwell For policy questions, send mail to: Jim Bacher: David Heald:
