Daniel So for a Duo link, I need what kind of license? Channel size?
Gino A. Villarini [email protected] Aeronet Wireless Broadband Corp. tel 787.273.4143 fax 787.273.4145 -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of 3-dB Networks Sent: Monday, January 19, 2009 6:55 PM To: 'WISPA General List' Subject: Re: [WISPA] Ceragon, Dragonwave and whatelse? Dragonwave can pull off up to 1.6Gpbs... but that isn't line speed I don't think. Anyways the attached pdf explains it. Daniel White 3-dB Networks http://www.3dbnetworks.com >-----Original Message----- >From: [email protected] [mailto:[email protected]] On >Behalf Of Brad Belton >Sent: Monday, January 19, 2009 3:50 PM >To: 'WISPA General List' >Subject: Re: [WISPA] Ceragon, Dragonwave and whatelse? > >Last I checked the DragonWave fell short of BridgeWave in raw >throughput/payload capacity. The AR80X-AES we have deployed will >produce line speed 1000Mbps with AES256 encryption. I don't think >DragonWave can pull that off. If so, please share the details as we're >close to deploying another BridgeWave link. > >Best, > > >Brad > > >-----Original Message----- >From: [email protected] [mailto:[email protected]] On >Behalf Of 3-dB Networks >Sent: Monday, January 19, 2009 4:34 PM >To: 'WISPA General List' >Subject: Re: [WISPA] Ceragon, Dragonwave and whatelse? > >Tom, > >The last quotes I have done have put Bridgewave much cheaper than >Dragonwave for 1.2Gpbs... although Dragonwave by far has a range >benefit to it. > >Daniel White >3-dB Networks >http://www.3dbnetworks.com > > >>-----Original Message----- >>From: [email protected] [mailto:[email protected]] >>On Behalf Of Tom DeReggi >>Sent: Monday, January 19, 2009 2:51 PM >>To: [email protected]; WISPA General List >>Subject: Re: [WISPA] Ceragon, Dragonwave and whatelse? >> >>Bob, >> >>I think you are right. (To give Ceragon credit where credit is due). >>Although, I'm positive Dragonwave was the first to do it with 366mbps >>per radio ODU with Ethernet. >>Ceragon was stuck at 200-250mbps per ODU for a while there. >> >>Its important to note that breaking the 350mbps barrier, and radio >>combining (for double) was a core accomplishment, that put the value >>proposition of 6-23Ghz above that of inexistence 80Ghz technology with >>multiple hops, to deliver near equivellent capacity, at lower cost. >> >>Tom DeReggi >>RapidDSL & Wireless, Inc >>IntAirNet- Fixed Wireless Broadband >> >> >>----- Original Message ----- >>From: <[email protected]> >>To: "WISPA General List" <[email protected]> >>Sent: Monday, January 19, 2009 3:53 PM >>Subject: Re: [WISPA] Ceragon, Dragonwave and whatelse? >> >> >>>I believe (but not sure) Ceragon was the first with a DPRM mount. >>> >>> But agree with everything else >>> >>> :-) >>> Sent from my Verizon Wireless BlackBerry >>> >>> -----Original Message----- >>> From: "Tom DeReggi" <[email protected]> >>> >>> Date: Mon, 19 Jan 2009 12:32:12 >>> To: WISPA General List<[email protected]> >>> Subject: Re: [WISPA] Ceragon, Dragonwave and whatelse? >>> >>> >>> Good advice Bob, but I'll add.... There is a purpose for each model, >>and >>> for >>> that matter also a specific manufacturer, and all ODU is not always >>the >>> best >>> choice. >>> >>> For example... Trango boasts several core benefits, for some >>> circumstances. >>> Its Giga Split archetiecture allows Coax installs to extend up to >>1000ft. >>> (Dragonwave's Coax split Archetecture, still has limits to 150-200 >>feet or >>> so, according to their docs.). Trango's Apex allows optional Fiber >>> termination with a very easilly accessible connectors. (Dragonwave >>> on >>the >>> other hand has the Fiber connectors poorly located, that require >>taking >>> the >>> case apart in order to reach them.) Because of this, for long cable >>> deployments, I prefer Trango. Or if on short deadline, and Freq >>Coords >>> not >>> complete, Trango equipment can be ordered in advance of completion >>because >>> they can support more channels per ODU model. (For example, 18 and >>> 23 >>Ghz >>> only have one ODU Pair choice). Its also important to note, it >>should >>> not >>> be midunderstood the purpose of Trango Gigas's 4 ports. They are >>Private >>> VLAN. This is really great for when a link needs to be shared. For >>> example, Port 1 for the customer that paid to get the link >>> installed. Port2 >for >>the >>> ISP's other traffic to serve other clients in the building. This is >>> enabled with zero complexity, that way. The far end switch/router >>> equipment >>do >>> not >>> need configuration or being the same to accommodate segregation. >>> This >>is >>> not >>> useful for all installs, but in some cases, this is a unique benefit. >>> >>> Dragonwave offers different benefits... For example... The Airpair >>> supports a whole wealth of different ODU Radios that can be >>> interchanged with >>the >>> Indoor rack unit. If one doesn't buy advanced replacement >>> warrantees, >>its >>> much cheaper to just order in an ODU seperately, than a Full outdoor >>> radio. >>> I'd rather float $3000 to get a replacements ODU in, than $12,000 >>> for >>a >>> full >>> Horizon. We'd use All ODU models where we have live backup links in >>> place, >>> and can afford to wait for a Manufacturer replacement. With that >>said, >>> we >>> love All ODU units, it makes for a much quicker/simpler install, >>> with >>Zero >>> Footprint needed inside. This is great for MTU buildings, where they >>need >>> to >>> be installed in small closets, or penthouse walls. The Dragonwaves >>were >>> the >>> first to be able to combine radios for double the capacity, so more >>> expandabilty. Airpair offers 25% more capacity than the Trango >>> giga, where split archetecture is needed. Dragonwave offers a >>> dealer channel for those that will benefit from it. >>> >>> Tom DeReggi >>> RapidDSL & Wireless, Inc >>> IntAirNet- Fixed Wireless Broadband >>> >>> >>> ----- Original Message ----- >>> From: "Bob Moldashel" <[email protected]> >>> To: "WISPA General List" <[email protected]> >>> Sent: Sunday, January 18, 2009 6:37 PM >>> Subject: Re: [WISPA] Ceragon, Dragonwave and whatelse? >>> >>> >>>> Well....a couple of notes... >>>> >>>> I personally would use an all ODU version because it makes >>>> servicing >>a >>>> breeze and also swapping out a bad radio quick and simple. No >>guessing >>>> about is it the indoor unit, is it the outdoor unit, is it the >>interface >>>> cable??? Get an all ODU like the Dragonwave Horizon and you run >CAT5 >>>> and you're done. If you get a cable issue you either can't log in >>>> or >>see >>>> no handshake with your switch/router or..If one of the POE lines >>>> are >>bad >>>> your radio will continue to reboot. Troubleshoot the radio on the >>ground >>>> with a patch cable and you rule out your cabling system. >>>> >>>> Like was mentioned elsewhere here if you are concerned with theft >you >>>> can lock the radios in place. This can be done by putting a >>>> security screw in place of the grounding screw and use a cable >>>> assembly to >>lock >>>> it up. If the theft concern is that high you should probably >consider >>>> another location. >>>> >>>> With weather being a concern you could always install a second >>parallel >>>> link on the same antenna using a DPRM mount. Then if one link fails >>the >>>> other could be engaged to carry the traffic. >>>> >>>> I do not see this link really working (high 9's reliability) >>>> without >>4' >>>> antennas. That of course leads to new mounting issues. At 6 Ghz. >you >>>> are looking at 6' minimum dishes. Figure 600-800 lbs per antenna >>with >>>> mount not to say the least about cost, shipping and installation. >>>> >>>> I personally like Dragonwave for 2 reasons. 1 - The service >facility >>is >>>> in this part of the hemisphere which allows me to get equipment >>>> overnight in emergencies. 2 - One year advanced replacement is >>>> only $500/year per radio. Allows me to sleep easily. >>>> >>>> This does not mean I do not like Ceragon. They are just doing some >>>> growing pains things at the moment and most of the stuff is >>>> serviced overseas unless it is an interface or something simple. >>>> >>>> Dragonwave support is very responsive though you do have to leave >>your >>>> name with a service and they call you back. I have installed more >>than >>>> 45 Dragonwave links in the past 2 years and have only had 2 >failures. >>>> >>>> There are other options but history, price or delivery will kill >them >>as >>>> an option. >>>> >>>> And stay away from equipment that does switching for you. Do all >your >>>> control external to the radio. >>>> >>>> Bob >>>> >>>> >>>> >>>> >>>> Paolo Di Francesco wrote: >>>>> Dear All, >>>>> >>>>> we are considering to move to licensed frequencies for back >>>>> hauling >>and >>>>> therefore some hints would be really appreciated. We are looking >>>>> at >>2 >>>>> main manufacturers (Ceragon/Dragonwave) so the problem is "which >one >>>>> fits better for our needs"? >>>>> >>>>> Just to summarize: >>>>> >>>>> a) links are around 20-25 miles >>>>> b) antennas: the smaller the better >>>>> c) robustness is very important >>>>> d) average life: 3 years >>>>> >>>>> >From what I have read in the data sheets I have done the >>>>> >following >>>>> considerations: >>>>> >>>>> 1) Dragonwave Horizon is nice but only if your site is well >>protected >>>>> from "sabotage and stealing". The "all outdoor" approach is nice >but >>it >>>>> has the drawback that if somebody takes the whole unit they will >>have a >>>>> brand new unit working. With the IDU/ODU approach they will have >>only >>>>> half of the "banknote", so after the first or second time, they >will >>not >>>>> spend time having something useless. >>>>> 2) Dragonwave Horizon can be a problem if you don't use fiber from >>the >>>>> unit down to your switch. In few words, we have sites with huge >>amount >>>>> or EM fields, so even using shielded cables (e.g. Belden 1300A) we >>get >>>>> only few ethernet megabits. So we should use fiber to go up the >>tower, >>>>> but maybe be IDU/ODU approach is more robust (comments welcome). >>>>> 3) All outdoor means that when you have to re-use the devices >>somewhere >>>>> else, you have to buy a whole new thing instead of just swapping >the >>>>> ODU. >>>>> 4) In any case the (all outdoor or IDU/ODU) when the tower is >frozen >>>>> (and when I mean frozen I mean a whole block of ice) then it does >>not >>>>> change much, you have to wait the better season to work on that. >>>>> 5) Performances look more or less the same. >>>>> 6) I don't know much about prices, I have looked on some website, >>>>> I >>am >>>>> still exploring this aspect >>>>> 7) Is anybody using the software-switch capabilities on this >devices >>or >>>>> just using them as transparent bridges for your router/switch? Do >>you >>>>> need to reset them often? >>>>> >>>>> Comments are welcome. >>>>> >>>>> Am I missing some other good brand? >>>>> >>>>> Thank you. >>>>> >>>>> >>>> >>>> >>>> >>>> ------------------------------------------------------------------- >>>> - >- >>----------- >>>> WISPA Wants You! Join today! >>>> http://signup.wispa.org/ >>>> ------------------------------------------------------------------- >>>> - >- >>----------- >>>> >>>> WISPA Wireless List: [email protected] >>>> >>>> Subscribe/Unsubscribe: >>>> http://lists.wispa.org/mailman/listinfo/wireless >>>> >>>> Archives: http://lists.wispa.org/pipermail/wireless/ >>>> >>>> >>>> -- >>>> No virus found in this incoming message. >>>> Checked by AVG. >>>> Version: 7.5.552 / Virus Database: 270.10.8/1899 - Release Date: >>>> 1/17/2009 >>>> 5:50 PM >>>> >>>> >>> >>> >>> >>> -------------------------------------------------------------------- >>> - >- >>---------- >>> WISPA Wants You! 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