Sierra Wireless WISMO218 - Manual (Page 95)

WA_DEV_W218_PTS_002 Rev 005 Page 95 of 109
Product Technical Specification &
Customer Design Guidelines
Environmental Specifications
The WISMO218 is compliant with the following operating classes. The table below lists the ideal
temperature range of the environment.
Conditions Temperature Range
Operating / Class A -25 °C to +75°C
Operating / Class B -40 °C to +85°C
Storage -40 °C to +85°C
Function Status Classification
Class A
The WISMO218 remains fully functional, meeting GSM performance criteria in accordance with ETSI
requirements, across the specified temperature range.
Class B
The WISMO218 remains fully functional across the specified temperature range. Some GSM
parameters may occasionally deviate from the ETSI specified requirements and this deviation does
not affect the ability of the WISMO218 to connect to the cellular network and be fully functional, as it
does within the Class A range.
The detailed climatic and mechanics standard environmental constraints applicable to the WISMO218
are listed in the table below: