Failures And Corrective Measures; Installing The Stub Antenna - Nokia 2255 Antenna Description And Troubleshooting

2255 (RM-97)
Antenna Description and Troubleshooting

Failures and Corrective Measures

Installing the stub antenna

Figure 2 shows the assembly of the stub antenna into the D-cover.
If no stub antenna is installed, the antenna gain will be degraded by more than 25 dB.
The stub has a hook on the antenna anchor which locks the antenna into the D-cover
when installed. See
During antenna installation, the antenna anchor passes through a plastic loop in the
C-cover (See Figure
mobile terminal.
Page 4
Figure 2: Installing a stub antenna
Figure 3.
Figure 3: Locking mechanism on antenna anchor
4). The antenna is the last item to be installed during assembly of the
©2005 Nokia Corporation
Hook
Company Confidential ISSUE 1 10/2005