Yes it is MIMO.  It operates in the same channel in Horizontal and
Vertical... much like Orthogon et. al.

Your right though... its sales fluff (which in this case though could be
helpful sales fluff).  Guess I got caught up in it without really thinking
about that :-)

Daniel White
3-dB Networks
http://www.3dbnetworks.com


>-----Original Message-----
>From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
>Behalf Of Bob Moldashel
>Sent: Friday, March 27, 2009 12:32 PM
>To: WISPA General List
>Subject: Re: [WISPA] 4.9 Full Duplex
>
>The Exalt is also a TDM radio.
>
>I didn't see that Radwin was MIMO. Does it operate on the same channel
>or does horizontal and vertical need to be on separate channels?
>
>I agree that Radwin "advertises" full duplex but again that is either a
>mistake or sales fluff.  All the equipment is TDD.
>
>And I agree that as long as the customer gets what he thinks he wants,
>that is the goal.
>
>-B-
>
>3-dB Networks wrote:
>> Radwin radios are designed for TDM transport... that is really the
>market
>> they play towards... cellular carriers.  Transport is fixed to "full
>> duplex"... and designed with that in mind.  But from an RF standpoint
>you
>> would be right since it only transmits on one channel.
>>
>> The Radwin gear transmits in two 20MHz channels, one horizontal
>polarity and
>> one vertical polarity... I don't see any reason to doubt their
>throughput
>> numbers.
>>
>> But at the end of the day... if the customer wants to see a "full
>duplex"
>> radio... only the Radwin one is marketed that way.  My experience is
>most
>> customers like this don't care how it actually works... as long as it
>does
>> what they think they want.
>>
>> Daniel White
>> 3-dB Networks
>> http://www.3dbnetworks.com
>>
>>
>>
>>> -----Original Message-----
>>> From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org]
>On
>>> Behalf Of Bob Moldashel
>>> Sent: Friday, March 27, 2009 11:54 AM
>>> To: WISPA General List
>>> Subject: Re: [WISPA] 4.9 Full Duplex
>>>
>>> There is alot of confusion here.
>>>
>>> From a RF standpoint NONE of this equipment is full duplex.
>>>
>>> From an Ethernet Port standpoint I know the exalt gives me full
>duplex
>>> specs.  I cannot answer for Motorola or the others.
>>>
>>> The biggest thing you should look for is support, asymetrical
>bandwidth
>>> capabilities, and REAL throughput data. I know for a fact that the
>data
>>> through the Exalt is 55 Mbps aggregate.  So I can get 25/25 or an
>>> asymetrical part of that. No sales fluff on that number.
>>>
>>> The Motorola is rated at 43 Mbps.
>>>
>>> If you go my Radwin's spec sheet they do a remarkable 100 Mb over a
>20
>>> mhz. channel. That's either totall incredible or that's some real
>fluff!
>>>
>>> Ligowave says "up to 40 Mb" and they probably say that depending on
>>> channel size.  But 40 mb is the max.
>>>
>>> I can't answer for Redline as I don't have a public safety spec sheet
>in
>>> front of me.
>>>
>>> As far as the customer is concerned you need to provide full duplex
>to
>>> his demarc. Do not get confused with what happens when it leaves that
>>> point.
>>>
>>> Bob
>>>
>>>
>>>
>>> 3-dB Networks wrote:
>>>
>>>> Exalt is a good choice... but like Ligowave and Redline would be
>half
>>>> duplex.  Just like Moto would be a good choice (I actually have a
>PtP
>>>>
>>> 400
>>>
>>>> Full connectorized link on the shelf that I am dying to sell :-)
>>>>
>>>> The Radwin RW2000/WL1000 are the only 4.9GHz links that I know of
>that
>>>>
>>> are
>>>
>>>> Full Duplex
>>>>
>>>> As for the commercial over 4.9GHz... I seem to remember from a
>thread
>>>>
>>> a long
>>>
>>>> time ago that it was possible... but I don't recall any details.
>>>>
>>>> Daniel White
>>>> 3-dB Networks
>>>> http://www.3dbnetworks.com
>>>>
>>>>
>>>>
>>>>> -----Original Message-----
>>>>> From: wireless-boun...@wispa.org [mailto:wireless-
>boun...@wispa.org]
>>>>>
>>> On
>>>
>>>>> Behalf Of Plexicomm Admin
>>>>> Sent: Friday, March 27, 2009 11:10 AM
>>>>> To: WISPA General List
>>>>> Subject: Re: [WISPA] 4.9 Full Duplex
>>>>>
>>>>> Did you look at Exalt?
>>>>>
>>>>> Dan English
>>>>> Plexicomm - Internet Solutions
>>>>> d...@plexicomm.net | 1.866.759.4678 x103
>>>>> Fax: 1.866.852.4688 | Emergency Support: 1.866.759.9713
>>>>>
>>>>> ----- Original Message -----
>>>>> From: "Matt Jenkins" <m...@smarterbroadband.net>
>>>>> To: "WISPA General List" <wireless@wispa.org>
>>>>> Sent: Friday, March 27, 2009 1:06 PM
>>>>> Subject: Re: [WISPA] 4.9 Full Duplex
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>> Ok I cannot find a decent 4.9 FD radio. Looks like Ligowave,
>Radwin,
>>>>>>
>>>>>>
>>>>> and
>>>>>
>>>>>
>>>>>> Redline are the top choices.
>>>>>>
>>>>>> On the same line of thought what are the legalities for passing
>>>>>> commercial data over a 4.9 link if its primary function is for
>>>>>> Government data?
>>>>>>
>>>>>> - Matt
>>>>>>
>>>>>> Matt Jenkins wrote:
>>>>>>
>>>>>>
>>>>>>> Does anyone know of a 4.9 Radio that is PoE and Full Duplex?
>>>>>>>
>>>>>>> - Matt
>>>>>>>
>>>>>>>
>>>>>>> -----------------------------------------------------------------
>--
>>>>>>>
>>> --
>>>
>>>>> -----------
>>>>>
>>>>>
>>>>>>> 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/
>>>>>>>
>>>>>>>
>>>>>> ------------------------------------------------------------------
>--
>>>>>>
>>> --
>>>
>>>>> ----------
>>>>>
>>>>>
>>>>>> 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/
>>>>>>
>>>>>>
>>>>> -------------------------------------------------------------------
>--
>>>>>
>>> ---
>>>
>>>>> --------
>>>>> 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/
>>>>>
>>>>>
>>>>
>>>> --------------------------------------------------------------------
>--
>>>>
>>> ----------
>>>
>>>> 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/
>>>>
>>>>
>>>>
>>>>
>>>
>>> ---------------------------------------------------------------------
>---
>>> --------
>>> 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/
>>>
>>
>>
>>
>> ----------------------------------------------------------------------
>----------
>> 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/
>>
>>
>>
>
>
>
>------------------------------------------------------------------------
>--------
>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/



--------------------------------------------------------------------------------
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/

Reply via email to