Linked Perception

Player's Handbook II (PH2)Updated Supplementals (3.5)

Linked Perception is a D&D 3.5 spell (Divination) from PH2. On class lists for Ranger (Level 1), Consecrated Harrier (Level 1), Planar Ranger (Level 1), and others. Range or area: 20 ft.; Saving throw: Will negates (harmless); Duration: 1 minute/level (D); Casting time: 1 standard action.

School
Divination
Casting Time
1 standard action
Components
V, DF
Range
20 ft.
Area
20 ft. radius emanation centered on the caster
Duration
1 minute/level (D)
Saving Throw
Will negates (harmless)
Spell Resistance
Yes (harmless)

Your senses are muddied for a moment, but when they clear, your sight and hearing are improved.
This spell imparts to all allies in its area a shared awareness of their surroundings.
Each ally in the area (including yourself ) gains a +2 bonus on Spot and Listen checks per each ally in the area.
For example, if you and three allies are in the area, each of you gains a +6 bonus.