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4.7 out of 5
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  • February-03 2020 07:06:40

    Fast delivery It did not exactly fit my needs and expectations. The analyzer needs at least a 30dB amplifier otherwise it is as deaf as a stone. It does not even indicate a a local FM radio station with an VHF antenna attached to it - unless an 30dB amplifier is in series with the antenna. I intended it to use on the IF exiting my FT1000D as a spectrum display but the bandwidth and resolution are not sufficient for such an application. The lowest span is 3Mhz and the lowest RBW is 5Khz /Kc. The display is bright and clear and very good to read. It might be a good idea to buy an additional rechargeable lithium battery for it.

    Comments (2)
  • April-07 2020 18:07:12

    Improved version with screen that can be used stand alone without needing a computer to see results. Works fine but for lower signals a 30 Db amplifier is recommended. I've ordered one but iy hasn't arrived yet (or maybe is waiting me to pick it up at work when Coronavirus crisis ends). I've also ordered a battery toavoid having to power it via USB for full portable use.

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  • September-04 2020 15:49:35

    This device does in fact display the spectrum of RF signals in the frequency domain, not Sure that the term analyzer is appropriate but it is billed as simple and handheld, generally it does work. The UI is a bit odd but once you get the hang of it, works well enough.No way to move a measurement cursor to a particular Displayed signal , which makes it awkward to Center the display onto a desired signal. Others have recommended it would need an RF amp to boost the sensitivity to enable “over the air” signals from an ant and I agree. All in all it does work and might be a relatively inexpensive way to fill a blank spot in a hobbyist test kit. Originally I received a broken device (damaged in shipment). I contacted Bangood and after a bit of discussion regarding pictures of the damage, Bangood did in fact replace the unit. I am actually pleased with the Bangood service. The problem was not created by he vendor but rather by the shipper. I have had several deliveries by DHL and have had issues each time, not to mention receiving a brokerage bill from DHL after they were good enough to break my goods in transit, ( now that is A full Service organization). I have given a very good review on customer service. A mediocre review on logistics mostly due to DHL awful performance, offset by Bangood’s excellent service in resolving the problem of damaged goods caused by DHL.

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  • June-04 2020 10:48:35

    Aparentemente funciona bien aunque tiene poca sensibilidad, ya que tiene un solo control es algo complicado de configurar para una medición específica ,no provee manual de uso, esta versión esta mejorada ya que trae instalada la batería, también incluye antena y cable USB. No indica el nivel de batería.

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  • December-13 2020 19:19:35

    RBW does not show 10,50kHz for my item. Please publish the normal firmware. Since there is a SWD port on the board, I think it is possible to write to the CPU. I would like to update the firmware at my own risk. The mixer IC has a built-in terminating resistor. No external terminating resistor for RF_IN is required. As it is, VSWR = 2. Replacing the 470uH inductor on the back of the board improved the noise floor by more than 10dB. My item has improved from -63dBm to -76dBm. But when I put the board in the aluminum case, it got a little worse. The linearity is almost satisfactory between -10dBm and -70dBm. Unfortunately, with the current specifications, this item is almost useless.

    Comments (1)
  • January-05 2021 04:50:14

    I bought it to check the audio/video carrier frequency on old RF game consoles, which it does ok, but it's not easy to see the accurate spread. For the price it's amazing.

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  • May-26 2020 13:17:42

    Switch chattering is not sufficient and operation is difficult.It's a good product, so I'm a little disappointed.The USB connector was deformed and did not stick. I fixed it myself.

    Comments (1)
  • March-20 2020 20:25:12

    This thing does not respond at all; neither at a PC nor at a charger (is there any battery inside ? ). Is there any manual available for it ? It came without any papers.

    Comments (1)
  • March-20 2020 20:24:42

    This thing does not respond at all; neither at a PC nor at a charger (is there any battery inside ? ). Is there any manual available for it ? It came without any papers.

    Comments (1)
  • January-05 2021 10:34:43

    ottimo prodotto, un pò poco sensibile ma rimediabile. assistenza stupenda

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