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Corrected H2+ R4 changes, cleaned up H2+ R3 note, updated list at top of page.
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There are many different versions of PortaPack, mainly due to Chinese’s Companies putting their own take of the design such as adding a larger screen, adding charging or changing the main chip due to price and availability. The current list is:
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![image](https://user-images.githubusercontent.com/4393979/170891223-85f21e44-77e7-466d-af44-7c73f51af917.png)
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![PortaPack Hardware Revisions](https://user-images.githubusercontent.com/54041511/193085181-7b333297-0835-4899-a869-be049f7c4072.png)
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_(Note: The H3 is Incompatible, do not buy it as it's a scam)_
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@ -51,7 +50,6 @@ _(Note: The H3 is Incompatible, do not buy it as it's a scam)_
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### Differences
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* Similar to H2+R2 except
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* This versions the standard CPLD 5M40ZE64CN5 was replaced with EPM240T100C5N ( due to cost and supply issues by supplier "OpenSourceSDR Lab") which has caused some issues ( they issues their work around fixes in a version 1.4.3) and resolved in version 1.5.x due to a lot of hard work.
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* Note: We are only now just seeing new version with the AG256SL100 IC. We may consider this an H2+ R4
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## H2+R4
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@ -61,7 +59,10 @@ _(Note: The H3 is Incompatible, do not buy it as it's a scam)_
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### Differences
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* Similar to the H2+R3 except it now uses the AG256SL100 IC. As well as it uses the AK4951
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* Similar to the H2+R3 except it now uses the AG256SL100 IC as well as the 28 pin QFN WM8731L instead of the 38 pin QFN AK4951. Marked as "PCB v3.6 mmdvm.club".
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* 3W LTK8002D SOP8 Class D amplifier for the speaker (INS8002e clone?).
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* Power IC IP5306 SOP8.
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## H3
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