Index <= Page index / Vector => V3 OBBHFL
Moderate backhaul, local services. Placeholders for hardware, specs, prices, setup, files, choices.
Point-to-point links, village APs, cache server (RPi/mini-PC). To specify with models and power.
K (town hall), H (home relay), S (citizen box), B (backbone relay). To detail flows and configs.
Solar sizing per site, battery, PoE budget. To complete.