Will Rock 3C operate in temperature range of -20 ~ 70 °C

#1

I don’t want to spend on purchasing Rock 3B industrial. So, can I use Rock 3C to operate in temperature range of -20 ~ 70 °C.

#2

ROCK 3C’s temperature range is 0~60°C, we don’t do the test at -20 ~ 70°C, there may be some risks