Cisco 1800 Series Integrated Services Routers Models Comparison

Cisco 1800 Series integrated services routers come standard with:

Onboard encryption
Auxiliary and console ports
ISDN BRI dial backup, except the 1811, which uses V.92 analog modem dial backup instead

Models Comparison
Model	DSL WAN Port	10/100 FE WAN Ports	8-Port Managed Switch	USB 2.0 Ports	802.11 a/b/g Wireless Model
1801 Product page Data sheet	ADSL over POTS	1	Yes	0	Yes
1802 Product page Data Sheet	ADSL over ISDN	1	Yes	0	Yes
1803 Product page Data sheet	G.SHDSL (4-wire)	1	Yes	0	Yes
1811 Product page Data sheet	-	2	Yes	2	Yes
1812 Product page Data sheet	-	2	Yes	2	Yes
1841 Product page Data sheet	ADSL, G.SHDSL WICS	2	4-port single-wide 10/100 BASE-T with HWIC-4ESW	0 (1 USB 1.1 port)	Yes (with HWIC-AP)
1861 Product page Data sheet	HWICs: ADSL, G.SHDSL, 3G, T1/E1, Serial	2	Yes	none	-

Cisco 1800 Series Integrated Services Routers