Raymarine ALPHA, Installation Instructions Manual, Page: 21 / 72

5.1 Product dimensions
Alpha 7 Alpha 9
A) 120.1 mm (4.72 in) A) 148.9 mm (5.86 in)
B) 188.4 mm (7.42 in) B) 253.9 mm (9.29 in)
C) 7 mm (0.28 in) C) 7 mm (0.28 in)
D) 18 mm (0.71 in) D) 20.5 mm (0.81 in)
E) 25 mm (0.98 in) E) 27.5 mm (1.06 in)
F) 7 mm (0.28 in) F) 7 mm (0.28 in)
G) 30.9 mm (1.22 in) G) 30.9 mm (1.22 in)
Product dimensions 21