CF+ Card Type:	CF+ Type I
Full Scale (FS) Range:	±5.0 gauss (earth's field is 0.3~0.6 gauss)
Resolution	0.001 gauss
Accuracy	Better than 5% (after calibration)
Linearity Error	0.1% FS at ±1 gauss, 0.5% FS at ±3 gauss, 1.5% FS at ±5 gauss.
Bridge Offset Error (output when field =0)	0.5 guass (can be eliminated by calibration)
Sensor Element:	Honeywell HMC1052 (link to full specification)
Max Sampling Rate:	10 samples/second
Internal A/D:	2-channel, 12-bit with 100x amplifier
Temperature Range:	-40°C -- 60°C
Additional Document:	User Notes (Microsoft Word Format)