Telit Wireless Solutions FN990 Series Hardware Design Guide

FN990 Family Hardware Design Guide
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Page 19 of 83
2024-05-29
LTE level is measured at BW 10 MHz except Band 46
B46 BW = 20 MHz
3.7 Mechanical Specifications
Dimensions
The overall dimensions of FN990 Family modems are:
•
Length: 52 mm
•
Width: 30 mm
•
Thickness: 2.25 mm
Weight
•
The nominal weight of the FN990A40 is 8.2 grams.
•
The nominal weight of the FN990A28 is 8.0 grams.
3.8 Environmental Requirements
Temperature Range
Table 12: Temperature Range
Mode
Temperature
Note
Operating Temperature Range
–20°C ~ +55°C
This range is defined by 3GPP (the global
standard for wireless mobile communication).
Telit guarantees that its modules comply with all
3GPP requirements and that it has the full
functionality of the module in this range.
–40°C ~ +85°C
Telit guarantees full cellular functionality within
this range. However, there may be slight
deviations from the 3GPP specification in
receiver performance or maximum output
power.
Despite this, all functionalities, including call
connections, SMS, USB communication, and
UART activation, will be maintained, and any
degradation will not result in malfunctions.
GNSS functionality may be affected at
temperatures below -30°C.
Storage and non-operating
Temperature Range
–40°C ~ +85°C
Warning: The application processor temperature which is in the FN990 Family
must be kept below 95°C for the best performance. Depending on the various
application, a heat sink, thermal pad, or, other cooling systems may be required to
properly dissipate the heat.
A large solder-resist opening area is located on the bottom side of the module.
Adding a TIM on that area with a heatsink is one of the best ways to dissipate the

Telit Wireless Solutions FN990 Series Specifications

General

Brand	Telit Wireless Solutions
Model	FN990 Series
Category	Computer Hardware
Language	English