Request for Product Spec (RF Cables & SMA Connectors)

Can anyone recommend a supplier that can provide good type of RF cable & SMA connectors that can support RF measurements for the the following specification?

1) RF Frequency Range: 800MHz to 6GHz
2) RF Power: Up to 40dBm

You can have a look at:
http://www.radiall.com/products
http://www.hubersuhner.com/en/Products/Radio-Frequency
http://www.telegaertner.com/en/

u can also look at Megaphase