Corning Restricted
C o r n in g O pt ic a l Com m un ic at io ns
Us e r Man u al I C MA - 4 82 - A E N I P a g e 2 8
3.5.3
Coax Cable Lengths and Losses
Use coax ½-in, 50ohm, male-to-male QMA type, for connecting to RAU5x and external antenna ports.
Note: The required distance between the antennas (installed in the ceiling) depends on the infrastructure and calculated path-
loss. For example, if there is free space-loss between the antennas, a minimum distance of 100 ft is required; if there are
partitions (loss) between the antennas, a distance of less than 100 ft between them is allowed.
Coax Length
Coax Loss
(900 MHz)
Connector
Loss
Total Loss
30
0.7
1.5
2.2
40
0.9
1.5
2.4
50
1.1
1.5
2.6
60
1.3
1.5
2.8
70
1.5
1.5
3
80
1.7
1.5
3.2
90
1.9
1.5
3.4
100
2.1
1.5
3.6
110
2.3
1.5
3.8
120
2.5
1.5
4
130
2.7
1.5
4.2
140
2.9
1.5
4.4
150
3.1
1.5
4.6
160
3.3
1.5
4.8
170
3.5
1.5
5
180
3.7
1.5
5.2
190
3.9
1.5
5.4
200
4.1
1.5
5.6
Table 3-9. Coax Cable Lengths and Losses
