Famicom cartridge with metal shielding

Started by cpc6128, March 16, 2023, 04:37:03 pm

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Does the port cartridge with metal shielding of the GPM-02 revision bring an improvement compared to the lower versions without metal shielding?
Reduction of internal interference?
With the addition of NESRGB is it more interesting on a GPM-02 than on other versions?
I asked myself this question and I couldn't find the answer anywhere.