Dell Latitude 5420 Rugged Service Manual page 92

3. Install the RF bracket [1] on the system board and secure it using the single 'M2.5*5' screw [2].
4. Route the aux cables for WLAN and WWAN cards through the RF bracket [3].
5. Connect the antennae cable [4] on GPS module and route the main antennae cables [5] through the RF bracket.
6. Install the:
a) Rear I/O board
b) Bottom Chassis Cover
c) Batteries
7. Follow the procedure in
92 Removing and installing components
After working inside your computer.