[ML-Hams] amplifier

[Bruce Campbell]

O and I did use putty to seal up  the power connector.

On Wed, Dec 7, 2016 at 9:28 PM, Bruce Campbell <phillybruce at gmail.com>
wrote:

> If it is the same Chinese 8w amp that I have it is water tight already.
> Also BBHN is not spread so you aren't limited to the spread spectrum power
> limits. I had a USB WiFi adapter plugged directly into the amp that was
> plugged directly into the antenna. A raspberry Pi running HSMM-Pi OS drove
> the adapter. One got ya with my amp is that my amp could not handle much
> input power. Power over about 500mw saturated it. I ran it at about 100mw
> to keep distortion down.
>
> The amp was a pain. I would get it working without the amp first then add
> it once I get happy with the set-up. If it is the same as mine, it looks
> like a gold coloured metal box about 3" X 3" X 1" with 2 "wings" to allow
> you to mount it. It also has 2 BNC connectors on it.
>
> On Wed, Dec 7, 2016 at 5:33 PM, Hunter Fuller <hfuller at pixilic.com> wrote:
>
>> I already have a 20V(ish) "ghetto PoE" injector bus. It puts the DC power
>> on the spare pairs of the Ethernet cable. In use at the shop for cameras
>> and the 900MHz radio already. I would try to get online with just the WRT
>> running off of this supply. There will be a little more of a challenge
>> running the amp off of it, unless you run your antenna just inside the shop
>> and put the amp there.
>>
>> That is, of course, unless it is a small DC powered amp that will sit
>> outside between the WRT and antenna.
>>
>> On Wed, Dec 7, 2016 at 13:56 Jeff Cotten <omegix at gmail.com> wrote:
>>
>>>
>>> Does anyone know from looking at all the stuff on the ham station if any
>>> of that stuff is an amplifier?
>>>
>>> We can go up to 10W for broadcasting a bbhn mesh signal ( 2.4ghz )
>>>
>>> FYI, here's some advice we received on the setup:
>>>
>>> "
>>> You will want your node in a watertight box up with two glands so cales
>>> can exit. Put it up on the pole with a very short very good coax run like
>>> 9913 or LMR400. Run power and ethernet up to the node box. You can put both
>>> on a single run of Category 5 cable.
>>>
>>> Don't forget that hams are permitted amplifiers for spread spectrum, up
>>> to 10 watts (without automatic power control). An amp of the biamp type
>>> which includes an LNA preamp on receive is better, and one that includes a
>>> channel band pass filter is better still.
>>> "
>>> _______________________________________________
>>> This is the hams mailing list.
>>> This list is for amateur radio discussion.
>>> To stop receiving mail from this list, write to
>>> hams-leave at lists.makerslocal.org.
>>
>>
>> _______________________________________________
>> This is the hams mailing list.
>> This list is for amateur radio discussion.
>> To stop receiving mail from this list, write to
>> hams-leave at lists.makerslocal.org.
>>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.makerslocal.org/pipermail/hams/attachments/20161207/029e5f3e/attachment-0001.html>