Remember that K(YC ordered the model with Power Factor Correction (PFC).
Products with PFC usually have better filtering characteristics.
Costco does not stock it but it is available on Amazon:
<https://www.amazon.com/CyberPower-CP1500PFCLCD-Sinewave-Outlets-Mini-Tower/dp/B00429N19W
Mike N2MS
> On 06/25/2023 2:38 PM EDT David Colburn <qrv@kd4e.com> wrote:
>
>
> CyberPower 1500VA Sine Wave UPS.
>
> Delivered from Costco - abysmally packed (only the display box, which
> was badly dented and torn).
>
> Only scuffs to unit due to protection of corners and display by formed
> styrofoam.
>
> Plugged in and it powered up and charged - pulled the plug and switched
> to backup mode. OK.
>
> Using a Tecsun PL-600 I scanned the room on FM-BC, AM-BC, and up through
> SW - lots of existing
>
> noise sources from computers and power supplies (hobby/radio room is all
> steel so no impact on
>
> antenna-sourced reception).
>
> Plugged in UPS and discovered that the RFI radiates only from one side -
> looking at the faceplate,
>
> it would be the left side.
>
> RFI is primarily AM-BC - 80 meters, after that it fades quickly.
>
> Using a handheld 2/440 TYT I found no RFI on 2m or 440.
>
> Obviously very crude testing but thought I'd share for consideration.
>
> David, KD4E
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