Free Wi-Fi: United States - Castro Valley - 1967

Not far from - inside Castro Valley mobile devices at times detect a wireless signal, often appearing intermittently. While navigating the area, phones nearby sometimes pick up a public network signal, mainly used for quick checks. Network scanners in the area sometimes indicate network presence, depending on device sensitivity. Near this spot visitors at times encounter temporary hotspot presence, though availability is inconsistent. Signal records here suggest sporadic hotspot presence, instead of stable coverage.