Anonymous participant it's issued at first for 5 years... Then you can extend it for an added 5 years.
Suggest you follow the LTR VISA forum for helpful information.
There are a few LTR VISA holders in this forum.
The insurance requirements should be easy to fulfill as your employer plan should be acceptable.
Even a high deductible policy is the lowest cost... Such as available from LMG Thailand...chat with
@Robert ********
. He's in Bangkok, Canadian and his Thai wife is a successful insurance agent.