5G frequencies n1, n3, n7, n8, n20, n28, n40, n38, n75, n56, n77, n78 CPU not certain but likely Quad-core processor

The Deco BE65-5G uses the Qualcomm Snapdragon X65 modem, which was specially developed for 5G connectivity. This modem supports.

Typically, satellite providers such as HughesNet, Starlink or Viasat offer suitable packages, but the best option will depend on the region and specific tariff plans. It may be helpful to contact these suppliers directly or consult an expert in 5G and satellite communications for the most accurate recommendation.

I was able to research it and currently cannot say with certainty when and if they will be offered.

I found a page from TP-Link, maybe that will help. https://www.tp-link.com/de/mesh/ai-driven-mesh/

According to my research and the manufacturer's specifications, this should work seamlessly, as all current DECO models should be compatible with each other and can be combined.

You don't need an external antenna because the TP-Link Deco BE65-5G Wi-Fi 7 Mesh Router BE9300 uses internal antennas. No external antennas are required as the antennas are already integrated in the device.

No, you do not need a SIM card for the satellite devices of the TP-Link Deco BE65-5G Mesh Wi-Fi system. The SIM card is only required for the main device to establish a 5G connection and thus enable Internet access. The satellite devices then connect wirelessly or via Ethernet to the main device to extend the mesh network.

Yes, you can buy additional Deco satellites (additional Deco units) and place them in areas where the signal is weaker, such as the second floor.

Hi, I haven't used any type of antenna with my router so I can't recommend a type.

Yes, that is possible

The 5G (5G BE9300 / 5G BE11000) Yes, on the outside of the floor.

I have 3.

Hello, unfortunately we haven't found the answer to your question in the manufacturer's documentation. We advise you to contact TP-link support, who will certainly be able to answer your question: https://tplinkfrance.zohodesk.com/portal/fr/home