You can find similar product offered by Tenda AC23 smart wifi AC2100 router which also comes with the same design of 7pcs 6dBi high gain external antennas. It can be guessed that 4x antennas are used for 4-streams 5Ghz 4×4 MU-MIO and 3pcs antennas are used for 3×3 MIMO antennas, it is unclear whether the 2.4GHz radio band also uses 3×3 MU-MIMO or 3×3 MIMO. It’s unusual that a wireless router is designed using 7pcs antennas, the Speedefy K7 only provides 4×4 MU-MIMO specifications with 7pcs 6dBi high gain antennas.
See also Netgear rax20 vs Archer ax20 wireless ax1800 and also Comparison Linksys mr7350 ax1800 vs archer vs D-link. If you use TP-link Archer AX20 wireless ax1800 (1200Mbps + 600Mbps for example which the price is around 60% more expensive, your USB adapter still receive the same speed technically. If you have two 2×2 MU-MIMO wireless ac adapters such as Archer T3U AC1300 USB adapter, this router can send data throughput to those adapters concurrently at a time, no queue, no buffering at the speed of 867Mbps (technically). It is not just for standard internet tasks, it’s a high speed router with concurrent data throughput to reduce latency. Speedefy K7 is engineered based on wireless AC2100 (1733Mbps + 300Mbps network segment with 4×4 MU-MIMO. If the requirement of high speed and heavy duty applications tasks do not exist yet, especially if your home devices are still not based on wifi-6 technology, you may consider affordable Speedefy K7 wireless AC2100 router, best value for money with good performance.
You may consider the newcomer Speedefy K7 wifi router at an affordable price. For the need of a wifi network for small and medium-sized homes to share the internet with all mobile devices, desktops and laptops, you don’t need to spend a high budget for the last generation of expensive wifi-6 router.