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 Subject :Linksys WSB 824 Wireless Signal Booster.. 2012-01-08- 14:39:12 
K4RJJ
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Joined: 2011-01-08- 11:57:13
Posts: 31
Location: Dallas GA

Linksys WSB 824 Wireless Signal Booster

Are these really any good and can they be tweaked to perform better on the

TX as well as the RX side?  I just bought one and when it gets here I'll try to do some

tests but I wonder how others have used these?  If you turn off diversity does it up the power on one side or is this just a brick amp?

I had hoped to place this in a weather tight case on the new club tower with a WRT54GL and one or two antennas.


Anything on these would help.  Thanks!

Ronny

K4RJJ



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 Subject :Re:Linksys WSB 824 Wireless Signal Booster.. 2012-01-08- 16:05:54 
KD5MFW
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The Linksys signal booster mentioned does boost the signal a bit, but as it comes out of the booster, one antenna is TX only and the other is RX only.    A quick search with Google of the model number will bring up a diagram showing the basics of what are in the box.

Unless your specific configuration can make good use of different TX and RX antennas, this booster could be more trouble than it is worth.  No diversity mode with this unit.

-Glenn, KD5MFW

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 Subject :Re:Linksys WSB 824 Wireless Signal Booster.. 2012-01-10- 16:53:59 
K4RJJ
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Joined: 2011-01-08- 11:57:13
Posts: 31
Location: Dallas GA
I also just found out this requires 5vdc at 2.5 amp. I really don't want to have a homebrew regulator sitting 75 feet above the ground. This will be used for portable operations with matched antennas to get from a field day site or other event back to the local mesh. Thanks for the info. So you say one is for TX and one for RX? How would this interact with the diverse setup in a WRT54GL? What connector is RX and what is TX?
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 Subject :Re:Linksys WSB 824 Wireless Signal Booster.. 2012-01-10- 17:05:55 
KD5MFW
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It is a very simple amp. If you want to have TX and RX split so you can play with them, it can be handy. Most will want to use a Bi-Directional amplifier, if they need an amp at all. For more info Google is your friend: Google -Glenn
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 Subject :Re:Linksys WSB 824 Wireless Signal Booster.. 2012-01-10- 17:33:43 
KD5MFW
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Test of Linksys WSB24 (1/4 Watt)

 

The signal booster appears to be two independent, non switched, amplifiers.

 

Signal in mW

Signal out mW

Gain dB

38.9

257

8.2

51.3

281.8

7.4

*

Receive

8.5

 

* Receive preamp output overloads and outputs spurs at –20 dBm input.

Left rear is transmit, Right rear is Receive.

Caution: The unit is powered with 5 volts. Twelve volts will blow unit.

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 Subject :Re:Linksys WSB 824 Wireless Signal Booster.. 2012-01-10- 17:39:14 
K4RJJ
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Joined: 2011-01-08- 11:57:13
Posts: 31
Location: Dallas GA

VERY good info.  I read about the 5vdc and I plan to make a supply out of a LM2576 regulator and a few other components as a regular 7805 will not handle the amperage with any extra overhead.



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 Subject :Re:Linksys WSB 824 Wireless Signal Booster.. 2012-01-10- 17:50:06 
K5KTF
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Fry's sells a 5V 2A regulator for under $10. I have one running my TV IP110 webcam 40' up the pole in an Orbit box, and the 2"sq. heatsink gets only a tad warm. NTE1934 Specs ask for a 47 to 100ufd cap between Vout and Gnd. I found a 100ufd 35VDC electrolytic in my parts and used it. Seems to be running just dandy. Will have to wait for the 105* Texas summer to see how it really fares.
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B-) Jim K5KTF EM10bm Cedar Park, TX :star:
 Subject :Re:Linksys WSB 824 Wireless Signal Booster.. 2012-01-10- 18:00:07 
KD5MFW
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If you really feel a RF amp is needed for your link, you might consider using a Hawking hi-gain hsb2 wifi signal booster.  It runs off of 12 VDC.  It is a bi-directional amp - both tx and rx and it auto switches as needed.  There are a variety of similar RF amps available.  Be sure you are real clear on what it is you want to do before choosing one.  With good directional antennas we regularly link 10 miles at will with NO RF amps using the WRT54G.  One of the biggest fears of the weak signal hams is for the HSMM hams putting a bunch of RF amps on the air when they may not be needed, and raising the noise floor for all.  The system can be used many ways, try to get by with as little power as you can and still hold the link.  KD5MFW

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 Subject :Re:Linksys WSB 824 Wireless Signal Booster.. 2012-01-10- 18:15:37 
K4RJJ
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Joined: 2011-01-08- 11:57:13
Posts: 31
Location: Dallas GA
Problem is we have very few people in the club that like to climb towers. I think I'm going to get one shot at this for now and if it does not work we will not have anyone to climb for months. I need to mount everything on the tower section before it goes up the gin pole and have the two CAT5 cables ready to drop and wire tie on the way down. One for the WAN port and one for the LAN port. Both will have PoE adapters. One for the WRT54G/(maybe an amp) and one for an unnamed as yet webcam. I do see the logic of running QRP and I probably will.
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 Subject :Re:Linksys WSB 824 Wireless Signal Booster.. 2012-01-10- 18:16:02 
KD5MFW
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Before you set up a mesh node at a fixed location, consider getting a free copy of inSSIDer wi-fi survey software that will work on a windows PC with a wi-fi adapter.  It will show you what else is on the air there.

A Google search for inSSIDer will find the down-load location for you.  It is informative and fun to watch.   -KD5MFW

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 Subject :Re:Linksys WSB 824 Wireless Signal Booster.. 2012-01-10- 18:21:38 
KD5MFW
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Yes, we have have problems getting equipment set up on towers and rooftops.  That is a challenge if you use directional antennas as they usually need tweaking.  The Hawking amp is easier to use than the older Linksys unit in most situations.  The microwave systems can take more tweaking than a VHF radio.  Good luck and let us know how it goes.  We try to use similar gear at each site, but each one ends up being a bit custom and we learn things from each and every  install. KD5MFW

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 Subject :Re:Linksys WSB 824 Wireless Signal Booster.. 2012-01-10- 19:10:39 
K4RJJ
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Joined: 2011-01-08- 11:57:13
Posts: 31
Location: Dallas GA
What is a great omni antenna you use? I think to get others using this we are going to need a pair of Omnis to mount on the two east and southeast facing legs of the tower. I have some small 5db omnis but I don't think they will do as well as we can do at this height. I will check out that software. Thanks!
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 Subject :Re:Linksys WSB 824 Wireless Signal Booster.. 2012-01-11- 02:24:22 
KD5MFW
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Use some path planning software like Radio Mobile to add up antenna gains, coax loss etc to plan your path.

I get antennas form fab-corp.com and titanwireless.com

KD5MFW

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