According to "nRF51422 Specification for Industrial Temperature Range" from Nordic Semiconductor, we have tested and validated the operation of N550 module (N550M8CC and N550M4CC) from -40°C to +85°C.
A new N5 module datasheet v1.7 has been released.
Regards,
Thomas
[ Edited: 04 July 2016 03:49 PM by thomas zhao ]