Eddystone 4 pin Coils

Type Spot Colour Wavelength (Metres) Frequency (MHz) Primary (turns) Tank (turns) Tank Inductance
BB Blue,Blue 9 - 14 21.4 - 33.3 3 2 3/8 0.50 μH
LB Blue 12 - 26 11.5 - 25.0 2 3 7/8 1.08 μH
Y Yellow 22 - 47 6.4 - 13.6 4 1/8 8 3/4 3.62 μH
R Red 41 - 94 3.2 - 7.3 9 3/8 23 7/8 14.24 μH
W White 76 - 170 1.8 - 3.9 15 35 45.0 μH
P Pink 150 - 325 0.9 - 2.0 25 92 0.188 mH
G Green 260 - 510 0.6 - 1.2 40 138 0.420 mH
BR Brown 490 - 1000 0.3 - 0.6 30 315 1.90 mH
GY Grey 1000 - 2000 0.15 - 0.3 140 630 6.98 mH

Eddystone 6 pin Coils

Type Spot Colour Wavelength (Metres) Frequency (MHz) Primary (turns) Tank (turns) Tank Inductance Reaction (turns)
6BB Blue,Blue 9 - 14 21.4 - 33.3 1 1/4 2 3/8 0.51 μH 3
6LB Blue 12 - 26 11.5 - 25.0 2 3 7/8 1.07 μH 3
6Y Yellow 22 - 47 6.4 - 13.6 4 1/8 8 3/4 3.62 μH 4 1/8
6R Red 41 - 94 3.2 - 7.3 9 1/8 23 7/8 14.13 μH 9 1/8
6W White 76 - 170 1.8 - 3.9 10 35 45.0 μH 14
6P Pink 150 - 325 0.9 - 2.0 42 92 0.188 mH 35
6G Green 260 - 510 0.6 - 1.2 90 138 0.428 mH 40
6BR Brown 490 - 1000 0.3 - 0.6 200 315 1.53 mH 80
6GY Grey 1000 - 2000 0.15 - 0.3 300 630 7.05 mH 140