The 1400 can be ordered in two models as shown below (with either one the Bridge itself will be mounted outdoors);
Cisco Aironet 1400 Series Bridge with 22.5 dBi Antenna
The Cisco Aironet 1400 Series Wireless Bridge features an 802.11a 5.8 GHz radio, which supports data rates up to 54 Mbps. With this option, a 22.5 dBi patch array antenna is integrated into the ruggedized enclosure
Cisco Aironet 1400 Series Wireless Bridge with Captured Antenna
Cisco Aironet 1400 Series Wireless Bridge with N-Type Connector
A connectorized version provides professional installers with an N-Type connector that allows the deployment of the root nodes of point-to-multipoint networks with omni-directional or sector antennas, or of high-gain dish antennas for longer links (Table 2).
Table 2 Cisco Aironet 1400 Series Wireless Bridge with N-Type Connector