Awesome, thank you for confirmation.... :) Faisal Imtiaz Snappy Internet & Telecom 7266 SW 48 Street Miami, FL 33155 Tel: 305 663 5518 x 232
Help-desk: (305)663-5518 Option 2 or Email: [email protected] > From: "Sriram Chaturvedi" <[email protected]> > To: [email protected] > Sent: Tuesday, December 22, 2015 5:53:20 PM > Subject: Re: [AFMUG] F/B Video on Cambium forum > Yup. Something with 53 dB F/B ratio is some serious kick-ass antenna > The F/B ratio required is a direct function of the C/I performance of the > radio's receiver. If you need 30+ dB of C/I to be at a solid 256 QAM, then you > don't need 53 dB of F/B ratio. 32 dB will do just fine. 36/37 or 53 dB does > give you more margin to play around with the back-to-back AP's Tx power but > generally it may be overkill. > Thanks, > Sriram > From: Af <[email protected]> on behalf of Faisal Imtiaz > <[email protected]> > Sent: Tuesday, December 22, 2015 1:04 PM > To: [email protected] > Subject: Re: [AFMUG] F/B Video on Cambium forum > Interesting info.. > So if we can use sector antenna which have 36/37/or 53 db of Front to back > ratio, then these would be some serious kick ass antennas ? > Regards. > Faisal Imtiaz > Snappy Internet & Telecom > 7266 SW 48 Street > Miami, FL 33155 > Tel: 305 663 5518 x 232 > Help-desk: (305)663-5518 Option 2 or Email: [email protected] >> From: "Sriram Chaturvedi" <[email protected]> >> To: [email protected] >> Sent: Tuesday, December 22, 2015 11:31:45 AM >> Subject: Re: [AFMUG] F/B Video on Cambium forum >> Hi Ken, >> You are correct about ATPC taking care of equalizing the UL RSSI at the AP. >> For downlink, as long as the antenna has good F/B ratio (32 dB like you >> indicated) and the back-to-back APs are set to the same Tx power, it should >> help. But maintaining 32 dB F/B ratio throughout the beam-width of the >> antenna >> can be a challenge. >> Thanks, >> Sriram >> Join the Conversation >> Cambium Networks Community Forum >>> On Dec 22, 2015, at 10:14 AM, Ken Hohhof < [email protected] > wrote: >>> It probably seems that F/B ratio doesn’t need explaining. The biggest >>> hurdle is >>> probably when WISPs start looking at third party antennas and other shiny >>> objects (like price and antenna gain) distract them from looking for a F/B >>> spec >>> around 32 dB if they ever want to do frequency reuse. The main thing this >>> video >>> probably does is to focus on why F/B ratio is important, even with GPS sync. >>> I would add that uplink interference can be worse because of varying >>> distance to >>> SMs. A near SM can blast through the backside of the sector and overwhelm >>> the >>> signal from a distant SM on the front side. ATPC can help with uplink >>> interference by at least equalizing the received levels from near and far >>> SMs, >>> but ATPC typically doesn’t help with downlink interference. >>> From: Sakid Ahmed >>> Sent: Tuesday, December 22, 2015 9:51 AM >>> To: [email protected] >>> Subject: [AFMUG] F/B Video on Cambium forum >>> Hello, >>> We just uploaded a video about F/B ratio on our community forum. Curious to >>> get >>> some feedback from all the experts here. >>> http://community.cambiumnetworks.com/t5/ePMP-1000/What-is-front-to-back-ratio/m-p/47820 >>> Thanks >>> Sakid >>> Sakid Ahmed >>> S [email protected] >>> (M) 1-773-780-5226 Skype: Sakid.ahmed >>> Join the Conversation >>> Cambium Networks Community Forum >>> From: Af < [email protected] > on behalf of Chuck McCown < >>> [email protected] > >>> Reply-To: " [email protected] " < [email protected] > >>> Date: Tuesday, December 22, 2015 at 8:57 AM >>> To: " [email protected] " < [email protected] > >>> Subject: Re: [AFMUG] Cambium Headphone adapter >>> Silly, you could have made it up in volume... >>> From: Forrest Christian (List Account) >>> Sent: Tuesday, December 22, 2015 3:24 AM >>> To: af >>> Subject: Re: [AFMUG] Cambium Headphone adapter >>> I really wish I could find a custom cable manufacturer who I could have make >>> these for me again. >>> The company I was having make them kept raising the per piece prices and >>> also >>> the minimum order... then was shocked when I refused to order several years >>> worth for twice what I was currently charging my customers. >>> On Dec 21, 2015 4:17 PM, "George Skorup" < [email protected] > wrote: >>>> That would need to be a 6p6c/rj12. You could easily buy that or anything >>>> like >>>> it, clip the rj plug off and crimp a new properly wired rj12 on it. >>>> The best kits were the ones Forrest had made that were molded and are no >>>> longer >>>> made. And of course every freakin tech lost them. >>>> On 12/21/2015 3:44 PM, Josh Reynolds wrote: >>>>> Actually, this link may be better >>>>> http://m.aliexpress.com/item/32284032088.html?adminSeq=220301292&productId=32284032088&productId=32284032088&shopNumber=1019232&productSubject=Free-Shipping-3-5MM-Phone-Headset-to-RJ9-RJ10-RJ22-Headset-Plug-Adapter-3-5MM-to&detailNewVersion=2&tracelog=wwwdetail2mobilesitedetail >>>>> On Dec 21, 2015 3:36 PM, "Nate Burke" < [email protected] > wrote: >>>>>> I didn't see it on the PDMNet website, I emailed them to ask. I"m pretty >>>>>> sure >>>>>> that although Monoprice has everything else, including completely >>>>>> outfitting >>>>>> your elementary school band, they don't have these adapters. >>>>>> On 12/21/2015 3:22 PM, Josh Luthman wrote: >>>>>>> SurplusWirelessGear and maybe PDMNet sell them ready to go, I believe. >>>>>>> Josh Luthman >>>>>>> Office: 937-552-2340 >>>>>>> Direct: 937-552-2343 >>>>>>> 1100 Wayne St >>>>>>> Suite 1337 >>>>>>> Troy, OH 45373 >>>>>>> On Mon, Dec 21, 2015 at 4:05 PM, Josh Reynolds < [email protected] > >>>>>>> wrote: >>>>>>>> Probably monoprice. >>>>>>>> Monoprice.com >>>>>>>> On Dec 21, 2015 3:02 PM, "Nate Burke" < [email protected] > wrote: >>>>>>>>> Does anybody sell the RJ14 to Headphone jack premade at a reasonable >>>>>>>>> price, >>>>>>>>> <$10? I used to have a pile of them, but I Can't find them now, and >>>>>>>>> I'm too >>>>>>>>> lazy to go get the components to make one. >>>>>>>>> I think once upon a time, someone was selling a default plug and >>>>>>>>> headphone >>>>>>>>> adapter in a combo pack.
