Nissei RS-50 Digital SWR and Power Meter (125-525 MHz, 120 Watts)

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Details

The Nissei RS-50 is a digital power and S.W.R. meter for two way radios with a maximum measurable power range of up to 120W. It has UHF Female (SO-239) in and out connectors. This compact unit fits in the palm of your hand, so you can carry it with you everywhere you go.

Can read out directly without any calibration
Low insertion loss structure allows it to be connected permanently.
Maximum measurable power range up to 120W
Checks your antenna SWR
Checks your radio RF power wattage
Easy to install
Forward / Reversed / VSWR ration in one push button.
LED backlit display for ease of reading.
DC Power source :internal “AAA” batteries / external USB port
Applicable rechargeable battery.
Micro USB – DC 5V output (does not include adapter).
Convenient control layout for ease operation.
Frequency range: 125-525MHz
Insertion Loss: < 0.3 dB or lower
Testing functions: Fwd/Rev Power, SWR
Accuracy: (AVG) + / - 5%
Impedance: 50 Ohm
Interface (in and out): UHF female (SO-239)
Model number: RS-50
Dimensions: 2.75 in.(W) x 0.98 in. (H) x 1.18 in. (D) / 70 x 78 x 30 mm
Net Weight: 7.76 oz. / 220g (without batteries)

Additional Information

Warranty	90 Days

No cables included review by WYRG738 on 11/4/2023

Rating

With ONLY the two female connection knobs on the sides and nothing else included, not even rechargeable batteries to use it initially it's not worth it's exuberant price, considering other units with much needed cables included are less than ½ it's price. Nothing anywhere said it required batteries, (can use rechargeable but, it won't recharge them,) that weren't included. I figured it had built-in rechargeable li-lons for the price.

The great thing is, it doesn't require nor have a way to set it's zeroing. It does that all by itself. Seems to be accurate, I have nothing to compare it to so I can't confirm this. Did what I needed.
Missing much needed connectors review by WRYG738 on 10/28/2023

Rating

I really wanted to like this thing, went looking for connectors to adapt my SMA Male to SO-238 male and it didn't come with anything and nothing was suggested when I placed my order. Also, I charged it up over night, unplugged it for a day, went to use it, and it was dead already. Going to see if it was just something I did wrong or not, tonight....