Your search for "ISR1100-6G" revealed the following:
Cisco ISR1100-6G ISR 1000 Series 4x 1 Gigabit RJ45 2x 1 Gigabit SFP Router
SKU: NSB-1190
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 239.99
• Only 2 remaining
Call if you need more
NEW Cisco ISR1100-6G ISR 1000 Series 4x 1 Gigabit RJ45 2x 1 Gigabit SFP Router
SKU: NSN-9981
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 406.99
• 13 in stock
Call if you need more
Cisco ISR1100X-6G ISR 1000 Series 4x 1GB RJ-45 2x 1GB SFP Router
SKU: NSB-1186
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days