Comparisons · Wi-Fi adapterA USB Wi-Fi adapter and a PCIe Wi-Fi card have different installation requirements on a desktop PC. Check the slot and internal header a card needs, the USB port version an adapter specifies, and how to read advertised speeds.
Read guide →Comparisons · Game controllerOn Windows, the connection you choose changes which controller features work and how many pads you can use at once. Compare USB, Bluetooth and the Xbox Wireless Adapter using Microsoft’s and Sony’s support documentation.
Read guide →Comparisons · Home Wi-Fi layout (mesh, a single router, or wired access points)Coverage-area figures alone cannot settle this. Compare mesh, one router and a wired access point by backhaul wiring, recommended unit count, placement conditions and the power an access point needs - plus what to verify afterwards.
Read guide →Comparisons · Wireless mice and keyboards (USB receiver, direct Bluetooth or wired)The same mouse often ships in a dongle version and a Bluetooth version. Compare what Logitech and Razer publish about receiver capacity, pairing security and interchangeability, and the conditions behind range and latency claims.
Read guide →Comparisons · Wi-Fi routers for Japanese IPv4-over-IPv6 (IPoE) services, using the published compatibility lists from Buffalo and NEC Platforms (Aterm) as worked examplesv6 Plus, transix, IPv6 Option, OCN Virtual Connect, Cross Path, v6 Connect. Find the method name your contract uses, then read the maker's table: supported from launch, supported from a firmware version, or not listed at all.
Read guide →Comparisons · Japan's Radio Act conformity certification scheme (technical conformity certification, construction design certification, self-confirmation of conformity), the rules on displaying the conformity mark, and the ministry's searchable database of certified equipmentWhether an imported wireless mouse, Bluetooth adapter or Wi-Fi router may be used in Japan is decided by the Radio Act's conformity certification scheme. The three certification routes, who may apply for each, the marking rules, and how to check a model number against the ministry's database.
Read guide →Comparisons · Buffalo support-period notice, NEC Platforms Aterm support-period page, Elecom network and NAS product support-period page, and the IoT device maker support index published by the Japanese NOTICE projectHow to decide whether a discounted previous-generation router is a good buy, using the three periods Japanese makers publish. Buffalo, NEC Platforms and Elecom were read on 2026-09-20: each counts from a different starting point, and two of them let you look up the end date for a specific model before you buy.
Read guide →Comparisons · Windows / Wi-Fi routerCompare Wi-Fi 6, 6E and 7 for a Windows PC. Check the OS, adapter, router and current connection before deciding whether new wireless hardware is useful.
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