Hi there,
The Antenna you have referenced is an AIR-ANT2450S-R the specs are shown below
AIR-ANT2450S-R Sector, 1 port Wall mount indoor/outdoor antenna with RP-TNC connector for use with any
2.4 GHz radio. Capable of covering large areas. The plenum rated cable is 36” long.
http://www.cisco.com/en/US/prod/collateral/wireless/ps7183/ps469/product_data_sheet09186a008008883b.html
It is listed as a "Wall Mount" so it doesn't come with any u-bolts.
Cheers!
Rob
"Everything is broken" - Bob Dylan