Yes, All pre-existing 5.3 links installed prior to the new DFS rule addition, are grand fathered. You are allowed to repair those grandfathered links and still not have to use DFS. Manufacturers are now only allowed to provide non-DFS 5.3 gear for repair purposes. (such as RMA repalcements).
Its unclear whether a new radio brand (made after DFS rule addition) can be used to replace a grandfathered link. For example, if a 5.3 trango was in place for 8 years and then fails, could it be replaced by a Ubiquiti 5.3 radio (non-DFS certified) configured at equivellent powers, for the grandfathered path? Because of that question, Used 5.3Gear has a market. My personal opinion is that an inforcement agency would not likely press the issue, if path was proven to be grandfathered and not causing harm. I dont think they'd go as far as check dates of a product line's launch, installed at each grandfathered link location. Although, I doubt my opinion is legally correct. You should keep a list of all 5.3 Grandfathered links, so if questioned, you can prove such. What I did is I made a list of all 5.3 links, and put it in an envelope and sent it certified mail to myself, and left it unopened, and then attached a second copy of the list to the outside, and then filed it away. Tom DeReggi RapidDSL & Wireless, Inc IntAirNet- Fixed Wireless Broadband ----- Original Message ----- From: Blair Davis To: WISPA General List Sent: Friday, January 21, 2011 12:57 AM Subject: [Spam] Re: [WISPA] 5.2 or 5.4 Short Hops And now I learned something... that the 5.25-5.32GHz band is now limited by DFS. This applies to new links only? On 1/21/2011 12:47 AM, Blair Davis wrote: Here is the 5.2GHz grant for the CM9 https://fjallfoss.fcc.gov/oetcf/tcb/reports/Tcb731GrantForm.cfm?mode=COPY&RequestTimeout=500&tcb_code=&application_id=972754&fcc_id=NKRCM9 I'm still looking for the 5.2GHz grant for the xr5, but here is the grant for 5.8GHz https://fjallfoss.fcc.gov/oetcf/tcb/reports/Tcb731GrantForm.cfm?mode=COPY&RequestTimeout=500&tcb_code=&application_id=992995&fcc_id=SWX-XR5 On 1/21/2011 12:05 AM, Jerry Richardson wrote: Can you direct me to the CM9 and xr5 certification for the 5.2 band? I would really like to be able to use this band for a few sites where subs are 2-3 miles max - Jerry From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of Blair Davis Sent: Thursday, January 20, 2011 9:02 PM To: WISPA General List Subject: Re: [WISPA] 5.2 or 5.4 Short Hops The cm9 and xr5 cards are certified for use in the 5.2GHz band (5.18-5.32GHz) and in the 5.8GHz band (5.745-5.825GHz). I don't use anything in the 5.4GHz band because that requires DFS I really don't want to rehash the modular certification argument again. On 1/20/2011 4:55 PM, Gino Villarini wrote: FCC certified? Gino A. Villarini g...@aeronetpr.com Aeronet Wireless Broadband Corp. 787.273.4143 From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On Behalf Of Blair Davis Sent: Thursday, January 20, 2011 5:48 PM To: WISPA General List Subject: Re: [WISPA] 5.2 or 5.4 Short Hops Use 5.2GHz, mikrotik with cm9 or xr5 cards. I do a PtP link 3200ft on 5.3GHz. Carries 50Mbit on a 40MHz channel with ease... On 1/20/2011 4:39 PM, Matt wrote: Looking for some gear to do 4 short hops under a mile and not interferwith existing 2.4 or 5.7 gear. Was thinking of the 5.2 or 5.4 bandgear. Whats out there that wont break the bank and is FCC compliantin that band? Leaning towards canopy but would like more bandwidthand a lower price. --------------------------------------------------------------------------------WISPA Wants You! Join today!http://signup.wispa.org/-------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe:http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/ -----No virus found in this message.Checked by AVG - www.avg.comVersion: 10.0.1191 / Virus Database: 1435/3391 - Release Date: 01/19/11 --------------------------------------------------------------------------------WISPA Wants You! 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