https://wifi.lixinyong.com/ 2026-09-14 monthly 1.0 https://wifi.lixinyong.com/og.png WiFi 信号模拟器 — 户型 WiFi 覆盖热力图示意 https://wifi.lixinyong.com/zh/ 2026-09-14 weekly 0.9 https://wifi.lixinyong.com/og.png WiFi 信号模拟器 — 户型 WiFi 覆盖热力图示意 https://wifi.lixinyong.com/en/ 2026-09-14 weekly 0.9 https://wifi.lixinyong.com/og.png WiFi Signal Simulator — floor plan WiFi coverage heatmap https://wifi.lixinyong.com/zh/guide/ 2026-09-14 weekly 0.8 https://wifi.lixinyong.com/en/guide/ 2026-09-14 weekly 0.8 https://wifi.lixinyong.com/zh/guide/router-placement/ 2026-09-14 monthly 0.7 https://wifi.lixinyong.com/assets/guides/router-placement.png 图解：4 种路由器摆位的全屋信号覆盖与最远房间 RSSI 对比 https://wifi.lixinyong.com/en/guide/router-placement/ 2026-09-14 monthly 0.7 https://wifi.lixinyong.com/assets/guides/router-placement.png Diagram: Whole-home coverage and far-room RSSI across 4 common router placements https://wifi.lixinyong.com/zh/guide/2-4g-vs-5g/ 2026-09-14 monthly 0.7 https://wifi.lixinyong.com/assets/guides/2-4g-vs-5g.png 图解：2.4GHz 与 5GHz 在波长、自由损耗、穿墙衰减与速率上限的全维度对照 https://wifi.lixinyong.com/en/guide/2-4g-vs-5g/ 2026-09-14 monthly 0.7 https://wifi.lixinyong.com/assets/guides/2-4g-vs-5g.png Diagram: Physical properties, path loss, wall penetration and speed limits of 2.4 vs 5 GHz https://wifi.lixinyong.com/zh/guide/wall-attenuation/ 2026-09-14 monthly 0.7 https://wifi.lixinyong.com/assets/guides/wall-attenuation.png 图解：玻璃、木头、砖墙、混凝土承重墙与金属门对 2.4G/5G 信号的穿透衰减 (dB) https://wifi.lixinyong.com/en/guide/wall-attenuation/ 2026-09-14 monthly 0.7 https://wifi.lixinyong.com/assets/guides/wall-attenuation.png Chart: Measured penetration loss (dB) across residential building materials at 2.4 vs 5 GHz https://wifi.lixinyong.com/zh/guide/mesh-placement/ 2026-09-14 monthly 0.7 https://wifi.lixinyong.com/assets/guides/mesh-placement.png 图解：节点过近粘滞、黄金交叠 (-65 dBm) 与过远断流三种部署模式对比 https://wifi.lixinyong.com/en/guide/mesh-placement/ 2026-09-14 monthly 0.7 https://wifi.lixinyong.com/assets/guides/mesh-placement.png Diagram: Over-dense stickiness, optimal overlap (-65 dBm) and over-spaced disconnection https://wifi.lixinyong.com/zh/guide/duplex-villa/ 2026-09-14 monthly 0.7 https://wifi.lixinyong.com/assets/guides/duplex-villa.png 图解：垂直穿透混凝土楼板 (18 dB 损耗) vs 经楼梯井挑空 (1.5 dB 绕射) 对比 https://wifi.lixinyong.com/en/guide/duplex-villa/ 2026-09-14 monthly 0.7 https://wifi.lixinyong.com/assets/guides/duplex-villa.png Diagram: Vertical penetration through slab (18 dB loss) vs stairwell void path (1.5 dB diffraction) https://wifi.lixinyong.com/zh/guide/wifi-coverage-test/ 2026-09-14 monthly 0.7 https://wifi.lixinyong.com/assets/guides/wifi-coverage-test.png 图解：从极佳 (≥ -50 dBm) 到盲区 (< -90 dBm) 的网络业务体验分级对照表 https://wifi.lixinyong.com/en/guide/wifi-coverage-test/ 2026-09-14 monthly 0.7 https://wifi.lixinyong.com/assets/guides/wifi-coverage-test.png Chart: Performance tiers from Excellent (>= -50 dBm) down to Dead Zone (< -90 dBm) https://wifi.lixinyong.com/zh/guide/wifi-7-6ghz-attenuation/ 2026-09-14 monthly 0.7 https://wifi.lixinyong.com/assets/guides/wifi-7-6ghz-attenuation.png 图解：2.4GHz、5GHz 与 6GHz 在自由空间损耗、穿砖墙损耗与承重墙穿透的实测衰减对比 https://wifi.lixinyong.com/en/guide/wifi-7-6ghz-attenuation/ 2026-09-14 monthly 0.7 https://wifi.lixinyong.com/assets/guides/wifi-7-6ghz-attenuation.png Diagram: Measured attenuation comparison across 2.4GHz, 5GHz and 6GHz in free space and through brick/concrete walls https://wifi.lixinyong.com/zh/guide/fttr-ac-ap-guide/ 2026-09-14 monthly 0.7 https://wifi.lixinyong.com/assets/guides/fttr-ac-ap-guide.png 图解：透明隐形光纤 FTTR 与预埋超六类网线 PoE AC+AP 拓扑及 86 面板隔间布点原则 https://wifi.lixinyong.com/en/guide/fttr-ac-ap-guide/ 2026-09-14 monthly 0.7 https://wifi.lixinyong.com/assets/guides/fttr-ac-ap-guide.png Diagram: Invisible fiber FTTR vs structured Cat6 PoE AC+AP topology and multi-room placement rules