It also depends on how long your cable run is going to be.
Belden 9913 is a good choice for over 100 feet.
Times Microwave's LMR-400 is also a very good low-loss cable for over 100 feet.
Under 100' you can use RG-8X or Times 240 cable.
All of the above take the inexpensive PL-259 type connectors.
Here are some sources:
Here is a handy comparison of coax cables and loss figures.http://www.hamuniverse.com/coaxdata.html