Huawei AX3 Pro tear down: both 2.4GHz and 5GHz band have amplifiers.
https://root-nation.com/en/other-en/net-en/en-huawei-wifi-ax3-review/
Tear down picture for AX3 Quad Core Global version (WS7200-30), it is not very clear. I am searching for an article with proper picture and amplifier IC name. But from what I read in the thread, indeed the HW components used should be the same as the China version AX3 Pro (WS7200-20), which means there are external RF front end amplifiers for both 2.4GHz and 5GHz bands.
https://forum.openwrt.org/t/support-for-huawei-ax3-pro/66551/91
There is at least two version of the AX3 Quad Core Global.
WS7200-20 (CE)
- Power: 12V DC, 1A
- Power consumption: <12W
- Input voltage: 100-240V AC
- Input voltage frequency: 50-60 Hz
- Power: 12V DC, 2A
- Power consumption: <24W
- Input voltage: 100-240V AC
- The frequency of the input voltage: 50–60 Hz
https://www.courts.com.sg/huawei-hw-ws7200-20-white-wifi-ax3-quad-core-3000mbps-ip166734https://www.amazon.sg/HW-WS7200-20-Quad-core-Revolution-Wireless-3000Mbps/dp/B08HHZ7V7X
As for the tear down comparison...
AX3 Pro China (WS7200):
AX3 Quad Core Global (WS7200-20):
If you look closely near to the 2.4GHz Antenna area, you will notice WS7200-20 is actually missing two IC. The missing IC number is 85333-11 which is a 2.4GHz amplifier.
For sake of comparison, here is AX3 non pro China (WS7100) and it doesn't have 5GHz amplifier:
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