All new air integration transmitter from Shearwater. The Swift allows divers to carry multiple transmitters reliably. The collision avoidance protocol allows for multiple transmitters to be used at the same time with a lower likelihood of dropped communications. Randomized transmit interval allows for reliable simultaneous use of multiple SWIFT transmitters
 
User replaceable battery, no tool required for installation onto the first stage, and compatable with all existing air integration computers from Shearwater.