HP ProCurve Redundant Wireless Services xl Module (J9003A)
The redundant module automatically adopts ProCurve radio ports if the primary ProCurve Wireless Edge Services xl Module is unavailable or should fail
Physical characteristics
Dimensions: 8.97(d) x 8.0(w) x 1.75(h) in. (22.78 x 20.32 x 4.45 cm)
Weight: 1.9 lb. (0.86 kg)