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  • May-06 2019 23:01:27

    Simple little piece. A few issues with piece shipped: as per the pictures attached the board is green not blue, and the LED red not white. Even knowing the size from the description the board is very small when actually in hand. The screenprint has no indication of anode/cathode +/- for diodes (apart from one symbol for the LED) and layout isn't a simply match to the shots above. I would've preferred a single strand wire the "antenna" rather than the floppy multi-strand wire in the bag. A hint when

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  • March-01 2019 05:21:09

    Very interesting item! It works depending from the distance to the base station and frequency. If the distance to the base station is large, then the phone have maximum power - so, LED is flashing. Also, during call setup mobile phone emits maximum power. Works well with old mobile phones (GSM 900/1800). For 3G (UMTS) and 4G (LTE) almost not working, because phones emit less power and it is difficult to find the correct place of the antenna in modern phones.

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  • October-13 2018 06:29:17

    Produkt zgodny z opisem. Idealny do ćwiczeń manualnych.

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  • August-30 2019 00:18:53

    В е пришло с курьером. Пока не паяли

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  • August-10 2017 07:46:35

    banggood sells other online store his stuff.???

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  • November-08 2020 05:15:28

    packed well

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  • October-11 2020 05:58:52

    product as described.

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  • September-18 2020 07:58:57

    All arrived in good order, quite happy

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  • August-11 2020 11:38:27

    OK

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  • June-19 2020 03:41:43

    Questo prodotto Non funziona ed in una confezione manca il LED

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