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[Ham-80211] Aerocomm Modems

Jeff King jeff at aerodata.net
Wed Jan 26 06:51:09 UTC 2005


Here is some feedback I got from AeroComm on the over the air speed. 

-Jeff


--- Original Message ---
From: "Sean Dycus" <sdycus at aerocomm.com>
To: Jeff King <jeff at aerodata.net>
Cc:
Sent: Mon, 24 Jan 2005 15:40:10 -0600
Subject: ConnexLink Answers
 
>Hi Jeff:
>
>The over-the-air baud rate for the 900MHz ConnexLinks is 78K baud.
>This rate is contant regardless of what the interface baud rate is
>set at.  If you want to use an interface baud rate of 115200, the
>ConnexLink will have to buffer data in order to run at this speed.
>If you utilize Hardware Flow Control, ther will not be a problem.
>Without using Hardware Flow Control you risk overunning the transmit
>buffers.  
>
>The ConnexLink compares quite favorably with FreeWave's product.
>You will get better range out of Freewave's product, but the
>ConnexLink fairs better when there is in-band interference present.
> 
>
>
>Regards,
>
>Sean Dycus Sales Manager
>
>AeroComm, Inc. 10981 Eicher Drive Lenexa, KS 66219 USA
>
>sdycus at aerocomm.com http://www.aerocomm.com
>
>Phone:    (913)492-2320, ext. 207 (800)492-2320, ext. 207 Fax:
>(913)492-1243


On Tue, 25 Jan 2005 21:08:04 -0800, Steve wrote:
>These types of units could be fun to play with.
>
>Just a few thoughts. Most units like this are for SCADA
>applications. Short serial burst of data. They work great for that.
>When it comes to the longer packet sizes of TCP/IP they might not
>work great. It would be interesting to use a program like AGW where
>you can control the MTU size.
>
>Doesn't mention any FEC or anything like TDMA for multipoint...hence
>the price..
>
>
>But what the heck...$99 bucks...worth fooling around with!
>
>Steve's ( N0FPF ) 2 cents
>
>
>
>
>
>At 03:26 PM 1/23/2005, Steve Lampereur wrote:
>
>>I saw these in the RF Design magazine.  Something a few of us in
>>Green Bay are seriosuly considering playing with.
>>
>>Quick summary : 1 watt 900 MHS FHSS, 115.2 kbps $99
>>
>>The URL for the home page is http://www.aerocomm.com The complete
>>URL for the pdf spec sheet is:
>>
>>http://www.aerocomm.com/Docs/Datasheet_ConnexLink.pdf
>>
>>It appears that we could set up a DHCP sever and handle this like
>>an ISP. That would be truly cool, make it a TCP/IP network.
>>
>>
>>
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>>
>>
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>
>
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