Appendix A — Specifications
EA21 Typical Reading Distances
Symbology
Code 39
UPC/EAN 100%
Data Matrix
PDF417
88
0"
4"
in
16"
12"
PDF417 10 mils
8"
Data Matrix 10 mils
4"
0"
4"
0.15mm/6 mils
8"
0.25 mm / 10 mils
12"
100% contrast UPC EAN
16"
0
10
20
Density
0.15 mm (6.0 mil)
0.25 mm (10.0 mil)
0.5 mm (20.0 mil)
1.0 mm (40.0 mil)
0.33 mm (13.0 mil)
0.25 mm (10.0 mil)
0.38 mm (15.0 mil)
0.25 mm (10 mil)
0.38 mm (15 mil)
CN50 Mobile Computer for Windows Mobile 6.1 User's Manual
8"
12"
16"
20"
0.5 mm / 20 mils
30
40
50
Minimum Distance
12.0 cm (4.7 in)
5.0 cm (2.0 in)
5.0 cm (2.0 in)
9.0 cm (3.5 in)
5 cm (2 in)
12 cm (4.7 in)
8.0 cm (3.15 in)
7 cm (2.75 in)
7 cm (2.75 in)
24"
28"
32"
40
30
20
10
0
10
20
30
40
cm
60
70
80
Maximum Distance
18.0 cm (7.1 in)
30.0 cm (11.8 in)
60 cm (23.6 in)
95 cm (37.4 in)
41.0 cm (16.1 in)
22 cm (8.7 in)
35 cm (13.8 in)
29 cm (11.4 in)
44 cm (17.3 in)