The DX shop makes a box for the 9700 the allows you to key amps for each band.
It automatically switches when you change bands. It’s cheap too. I imagine
they could make one for the 905.
thedxshop.com
Steve, N4JQQ
> On Aug 20, 2022, at 11:00 AM, vhfcontesting-request@contesting.com wrote:
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> 1. Re: [NEWSVHF] IC-905 (Terry Price)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 20 Aug 2022 11:41:44 -0400
> From: "Terry Price" <terry@directivesystems.com>
> To: <newsvhf@mailman.qth.net>, <VHFcontesting@contesting.com>
> Subject: Re: [VHFcontesting] [NEWSVHF] IC-905
> Message-ID: <d6d301d8b4ab$59fc1690$0df443b0$@directivesystems.com>
> Content-Type: text/plain; charset="utf-8"
>
> While it's not the end all be all box we would all like, it is a step in the
> right direction. Let's be realistic, 222 and 902 aren't bands anywhere but
> here so they aren't going to include them just for our market. I have a
> IC-705 and it's a pretty slick rig. Using it for 50-432 (10m to drive a 222
> transverter) is a nice set up. Adding the IC-905 and using the 144 output to
> drive a 902 and 3400 transverter would make a very nice setup. Even if you
> have to run a separate PTT line to key those but I'll bet you can find a PTT
> somewhere in the box or use a bias tee to run PTT up a piece of coax (say for
> your 222 antenna?) Point is, for anyone who has built a remote tower box with
> transverters, amps, a bazillion relays, 10 MHz source, 10 MHz distribution,
> AND worry about powering it all, this is very nice. Hopefully the price will
> be below $3K which is what it costs to build a decent remote box.
>
> Typically, POE is 15 watts at 48v, POE+ is 30W. If they used Hi-POE it could
> provide up to 100W. With 10W out on 144-1200, they have to have at least POE+
> so my hope is they used the 100W version (which is only a little over 2A at
> 48V!!)
>
> We will just have to see all the particulars when it comes out. From the
> video, I didn't see a CI-V jack so no band data is available unless you make
> a USB decoder and then you might lose the audio codec. A simpler way is to
> use the antenna ports via N1MM's parallel port configuration for band
> selection on non supported bands. I'm sure some smart person could use an
> Arduino or Raspberry pi to do it also.
>
> Lets keep our fingers crossed it won't take a second mortgage on your house
> to afford it!!
>
> Terry - W8ZN
>
> -----Original Message-----
> From: newsvhf-bounces@mailman.qth.net
> [mailto:newsvhf-bounces@mailman.qth.net] On Behalf Of Stan Laine via NEWSVHF
> Sent: Saturday, August 20, 2022 11:12 AM
> To: jayb1943@optonline.net; NEWSVHF@mailman.qth.net
> Subject: Re: [NEWSVHF] IC-905
>
> A innovative rig.
> I like the ability to remote the RF to the tower top with the antennas.
> How much power can I extract from the PoE at the remote box, to power other
> stuff ?
> Or use the remote box in the shack with a short ethernet (data + PoE) cable.
> Where is 222 MHz ? and 3400 MHz ? and 902 MHz ???
> Will it play full duplex, 10 GHz up and 2.4 GHz down like on QO-100 geosync
> satellite ?How about full duplex 430 MHz up and 2M down ? or vice
> versaWill it play 2304 and 2401 MHz, How about both 10.368 GHz and 10.451 GHz
> ? all in the same box ?I would need a PTT output to drive the IPA/PA on the
> tower.Can the base unit do RF offsets to directly read out the RF when I use
> a transverter on 222 MHz ?I like the built in GPS discipling of all of the
> local oscillators.
> I like it. But, what is the best price point with 10 GHz ? $2,500 ???
> Stan, W1LE Cape Cod
>
>
>
>
> -----Original Message-----
> From: jayb1943 <jayb1943@optonline.net>
> To: NEWSVHF@mailman.qth.net
> Sent: Sat, Aug 20, 2022 10:35 am
> Subject: [NEWSVHF] IC-905
>
> Well it?s certainly a breakthru providing a commercial radio on the bands
> above 1.2 ghz. But has several strange limitations ? The 2m, 70cm and 23 cm
> outputs all come out of ONE port and it?s on top of the tower ? Not exactly
> compatible with power amps...and you sure need a few at these power levels. I
> would have designed the 3 lower bands with the RF down at the shack with 3
> separate outputs like the IC-9700. The optional antennas are all low gain
> vertically polarized...useless for DX/contest/mountain top work. What market
> did they have in mind where 0.5w and a vertical lo-gain antenna on 10 ghz
> would be of any use ?
> Also probably $5k with the 10ghz module.....not gonna sell a lot of these I
> think..
> jay ny2ny
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