Cisco Systems 819G, C819G4GAK9, C819GUK9, C819HK9 Installing a WiFi External Antenna

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Cisco 819 Integrated Services Router Hardware Installation Guide
OL-23125-02
Chapter 2 Installing the Router
Installing the Router
Figure 2-2 Installing the Antenna
Step 2 Orient the antennas. For optimum wireless performance, antennas should be generally perpendicular to
each other.
Installing a WiFi External Antenna
This section describes how to install a WiFi external antenna.
Step 1 Install the lightning arrestor. For details in installing lightning arrestor, see Cisco Aironet Lightning
Arrestor (AIR-ACC245LA-R).
Step 2 Rotate the knurled portion of the WiFi external antenna clockwise to screw the antenna to the RP-TNC.
(See Figure 2-3.)
Note WiFi antennas should be generally perpendicular to each other to achieve best coverage.
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