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To reuse an access point, you must dismiss the soldier previously recruited from it.

Recruiting soldiers is easier when you are closer to the access point, but a signal is sufficient even from a distance.

From far away, you can leave your PSP for about 2 minutes to allow the signal to boost, making subsequent recruitment attempts quicker and easier.

Soldier stats are entirely random; there is no such thing as a "good" access point.

The soldier available from an access point seems to change approximately every day, likely based on your PSP's clock. Incrementing the date by one day may yield a different soldier.

You can acquire soldiers from very far away, potentially out of range, as demonstrated by successful recruitment during bus journeys and on fast roads where signals may weaken rapidly.

The WiFi antenna appears to be oriented towards the D-pad end of the PSP. Pointing this end at a signal can provide a significant boost, though a slight lag may make precise angling difficult. Some access points maintain consistent signal strength regardless of orientation.

If a recruited soldier's signal continues to beep rapidly for an extended period after recruitment, with a delay in the red square appearing in the corner (HUD (heads-up display — the on-screen icons showing health, ammo and the minimap) element showing status), this may indicate a higher chance of acquiring a better soldier, such as an S-rank medic.