Welcome to ScubaBoard, the world's largest scuba diving community. Registration is not required to read the forums, but we encourage you to join. Joining has its benefits and enables you to participate in the discussions.
Benefits of registering include
They can - if you have a grey, you need a yellow for the second.I would like to purchase a 2nd transmitter for my Pony bottle, but I think I need the one that is intended as a 2nd transmitter. I have heard the 2 same transmitters could interfere with each other.
Not to derail the thread, but the Shearwater branded transmitters are dark grey or yellow.Mine is black.