- Messages
- 20,473
- Reaction score
- 19,828
- Location
- Philadelphia and Boynton Beach
- # of dives
- 1000 - 2499
I also found 2 photos of Tusa transmitters on ebay, also prefix BM. I'm not at all sure how Huish decides to replace transmitter in their service program, perhaps it is the serial number and not the prefix.