Ubiquiti UniFi Reader Junction Box, Black [UACC-Reader-JB-B] RBcAPGi-5acD2nD-US while the ER-X-SFP model supports

while the ER-X-SFP model supports 24V passive PoE to power up to five airMAX devices

Improves the radio rate of nearby WiFi devices

32 digitally programmable and customizable BLF/speed-dial keys

Efficient Footprint- The radio and antenna are combined in a single body that takes up minimal space

Ubiquiti UniFi Reader Junction Box, Black [UACC-Reader-JB-B] RBcAPGi-5acD2nD-US while the ER-X-SFP model supportsThe Ubiquiti UniFi Reader Junction Box [UACC Reader JB B] is a colored junction box for UniFi Access Readers and Intercom Viewers that support flat surface mounting and attachment to 3 4" conduit. Color: Black Compatibility: UA G2, UA Intercom Viewer, UA G3, UA Ultra, UA G3 Flex