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Yellow Transmitters Recalled Due to 'Drowning Hazard'

shearwater yellow transmitter 1000

Shearwater Research has issued a recall for its yellow wireless transmitters due to the possibility of signal interference with its grey transmitters. The interference may lead to a loss of communication between tank and computer when both transmitters are used during the same dive.

The voluntary product recall was first issued by Shearwater on 19 November 2018, but a more recent notice was posted on 21 February 2019 by the US Consumer Product Safety Commission's (CPSC) website. According to a statement on Shearwater's website:

'We discovered yellow transmitters may have the same transmission interval as the one found in grey transmitters. When transmitters of both colours are used by the same diver in the same dive, signal interference could be produced between transmitters causing dropped signals and loss of communications. Although the chance of this occurring is small, the potential is there.'

  • Only yellow transmitters are affected
  • Affected transmitters have part no. 13009 or 13009-01 printed on the cardboard packaging along with an 8 digit serial number starting in FK or BM etched on the side.
  • FCC ID: MH8A is printed on the end of the transmitter

Divers who own the yellow transmitters are advised to contact Shearwater by e-mail at  This email address is being protected from spambots. You need JavaScript enabled to view it. (including their physical location) or on the contact page at, or during business hours by telephone on +1 604 669 9958 for more information.

The original Shearwater recall notice plus FAQs can be found at, and the CPSC bulletin can be found at:



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