![Ubiquiti airFiber 11FX Modular High-Band Duplexer [AF-11-DUP-H] C050045B042A low-cost way for any ISP](https://cdn.shopify.com/s/files/1/0632/2280/8796/files/Ubiquiti_AF-11-DUP-H.png?v=1744214511)
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low-cost way for any ISP to deliver the Internet to individual apartments
a management Ethernet port with PoE power input
Rate Limiting: Ingress policer
Internal PSU
Where the CRS328-4C-20S-4S+RM is commonly used
Ubiquiti airFiber 11FX Modular High-Band Duplexer [AF-11-DUP-H] C050045B042A low-cost way for any ISPThe Ubiquiti AF 11 DUP H is a high band duplexer for use with the AF 11. The Ubiquiti airFiber AF 11 DUP features a unique modular design to suit multiple frequency configurations. Each AF 11FX radio can be configured to support any allowable frequency by simply changing the duplexers for high band or low band use in the 10. 7 to 11. 7 GHz allocation. Each duplexer has a low channel and a high channel that can be configured by simply reversing the
