1-11
Cisco Integrated Services Router Hardware Installation Guide
OL-27407-01
Chapter1 Product Overview Cisco 810 Series
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. Figure1-6 shows the Cisco
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
Note Cisco 819 is used to refer to Cisco 819HG, Cisco 819G, Cisco 819H, Cisco 819HGW, Cisco 819HWD,
Cisco 819HG-4G, and Cisco 819G-4G ISRs unless specifically called out otherwise.
Figure1-5 Cisco 819HG Integrated Services Router
283010