If you're going to use a RF module that needs an SMA antenna, we've got you covered! Here's a 152mm swivel/tilt whip with RP-SMA connector!
Need an antenna to match your RF device? The AC12000 is a 3.2dBi antenna from Synapse Wireless to match their Synapse SNAP modules (the ones that need an RP-SMA plugged antenna).
Here's the specifications: