Cisco 800 Series Hardware Installation Manual page 31

Chapter 1 Product Overview
than replacing a wired LAN within a building or campus. WLANs use radio frequency to transmit and
receive data over the air, minimizing the need for wired connections.
819HGW ISR.
The WLAN for 3G Cisco 819HGW and Cisco 819HWD ISRs have the following additional features:
• Dual 802.11 a/b/g/n radios
• External WiFi antenna
• WLAN LED
Cisco 819 is used to refer to Cisco 819HG, Cisco 819G, Cisco 819H, Cisco 819HGW, Cisco 819HWD,
Note
Cisco 819HG-4G, and Cisco 819G-4G ISRs unless specifically called out otherwise.
Figure 1-5 Cisco 819HG Integrated Services Router
Cisco Integrated Services Router Hardware Installation Guide
Cisco 810 Series
Figure 1-6 shows the Cisco
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