Failures And Corrective Measures; Pifa Antenna - Nokia 2125 Troubleshooting Manual

2125/2125i/2126/2126i/2128i (RH-71)
Antenna Description and Troubleshooting

Failures and Corrective Measures

The internal antenna is assembled into the D-cover as shown in
antenna is installed, the antenna gain is degraded by more than 25 dB.
• If the internal antenna is missing, install one.
• If the radiator looks obviously damaged, replace the internal antenna.

PIFA Antenna

The internal antenna includes a planar-inverted F antenna (PIFA) radiator and an
inverted F antenna (IFA) radiator (GPS antenna radiator) attached to a plastic carrier. An
integrated hands-free (IHF) mini speaker is integrated inside the plastic.
Note: The GPS antenna is only functional on the 2125i, 2126i and 2128i models.
Page 4
Internal antenna
Internal antenna
Figure 1: D-cover assembly
GPS antenna
radiator (IFA)
Figure 2: Internal antenna
©2005 Nokia Corporation
PWB shield
Main antenna
radiator (PIFA)
Company Confidential
Figure 1. If no internal
ISSUE 1 08/2005