MECA offers a series of 2 W SMA right angle attenuators operating up to 4 GHz.  The 662-dB-1RA series attenuators cover all wireless applications from Hz to 4.0 GHz and available in standard values as well as odd values from 0 thru 32 dB. 

Made is USA, 36 month warranty.  www.e-MECA.com

Additional Specs:  http://www.e-meca.com/rf-attenuators/sma