On May 3rd 2018, TCRA publishes on their website two new specifications for Radio Hearing Aids and for Base Station Repeaters.
Radio hearing Aids devices can be approved in the 173.965-174.015 MHz band and testing should be carried out by manufacturer to insure the compliance to the following standards:
EN 300 422-2/ EN 301489-1-3-9/EN 300220-3/ EN60950/EN60215
Please follow this link to the source of this information
For more information on TCRA Type approval process, please contact info@realtimetypeapprovals.com