Cisco C881SRSTW-GN-A-K9

The Cisco C881SRSTW-GN-A-K9 is a router model from Cisco's 880 Series Integrated Services Routers (ISR). It is designed for small to medium-sized businesses and provides secure and reliable connectivity for branch offices. The "SRST" in the model name stands for Survivable Remote Site Telephony, which means it supports Cisco's SRST feature for providing basic telephony services in case of a WAN outage. The "GN" indicates that it supports Gigabit Ethernet interfaces, and the "A" signifies that it is an advanced feature set model.