I thought exalt was bought out by Crisco... On Dec 9, 2016 5:39 PM, "George Skorup" <[email protected]> wrote:
> The G2 does ATPC in all bands. So remote RSL feedback is already there. > Exactly the same with the Trango ApexPlus which also did ATPC before it did > variable power. They then later adapted ATPC to provide variable power. > Exalt could do the same. > > On 12/9/2016 4:14 PM, Eric Kuhnke wrote: > > I think you may be asking too much to desire ATPC / varying transmit power > levels on Exalt's lowest priced model 18 GHz licensed band link. It's > actually a lot easier for the manufacturer to design the link with a fixed > +18 or +19 Tx power, than to do the feedback loop and control system needed > to properly and reliably implement ATPC based on RSL thresholds on the > other end radio. How do you know it definitely does support higher tx power > at lower modulations (you want +22 at QPSK 3/4???), it's entirely possible > the radio itself was designed from the beginning as a fixed +18 Tx power. > In any case this should be a moot point with a 2 mile link. > > > > On Fri, Dec 9, 2016 at 1:38 PM, George Skorup <[email protected]> wrote: > >> I really hate to admit it, but those requirements would make me look at >> Exalt once more. The ExtendAir G2-18 would be a good fit. We have a link at >> 2.5 miles on Radiowaves HP2's at both ends. It has held up surprisingly >> well in the rain. 2 to 2.5 mile AF24 links in the same area drop. I guess >> the -34dBm RSL helps. Yes, it dropped to -70dBm, but still maintained the >> required 100Mbps FDX. >> >> You get single unit sparing with the replaceable/rotate-able diplexer. >> They're 802.3at and use about 26 watts. You get ACM without a license key. >> They come with a base 25Mbps license. If the promo is still going, you get >> 100Mbps keys with it. I don't remember if there's a 200 or 250Mbps or if >> you have to go from 100 to the full 370. >> >> The one thing that Ken and I have both asked Exalt for, which at this >> point I expect will never happen, is power per mod level, aka variable >> power. All you get is fixed power with ACM on. IIRC, 18 or 19dBm for 18GHz >> and 21dBm for 11GHz at 256QAM. The radios definitely do support higher >> power at lower modulations, so they're either stupid or lazy. No >> coordinator will even bother with variable power on the PCNs. We tried and >> got objections stating that "the radios don't do that". Exalt kept saying >> it's coming in future software, yet here we are two years later and nothing. >> >> On 12/9/2016 2:47 PM, Adam Moffett wrote: >> >> A lot of manufacturers to pick from.... >> With licensing and a spare radio/dish, I'm thinking $9,000. >> >> You could talk about other companies' unlicensed 24ghz options and >> compare apples to apples. >> >> >> ------ Original Message ------ >> From: "Eric Muehleisen" <[email protected]> >> To: "[email protected]" <[email protected]> <[email protected]> >> Sent: 12/9/2016 2:31:13 PM >> Subject: [AFMUG] microwave pricing >> >> 2 mile 18ghz link. Only needing about 150mb/s speeds. 2ft. dish maximum. >> Five9's. Rainzone K. >> >> Need a quick and dirty, ballpark idea of costs including licensing and >> spare radio/dish. >> >> Need to price it against an AirFiber24 install. >> >> >> > >
