Hardware Manual
Table Of Contents
- WE865-DUAL Hardware User Guide
- Contents
- 1 Overview
- 2 Mechanical description
- 3 Pin-out
- 4 Electrical description
- 5 Thermal design guidelines
- 6 PCB layout design guidelines
- 7 Antenna
- 8 Integration with the GE863-PRO3
- 9 WE865-DUAL - Evaluation kit
- 10 Mounting the WE865-DUAL on the application board
- 11 Moisture sensitivity
- 12 Conformity assessment issues
- 13 Safety recommendations
- 14 Document change log
WE865-DUAL HW User Guide
1vv0300787 Rev. 1 - 03/10/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 45 of 48
11 Moisture sensitivity
The level of moisture sensibility of Telit WE865-DUAL modules is “3”, according with standard
IPC/JEDEC J-STD-020, take care of all the relative requirements for using this kind of components.
Moreover, the customer has to take care of the following conditions:
• The shelf life of WE865 inside of the dry bag shall be 12 month from the bag seal date, when
stored in a non-condensing atmospheric environment of <40°C / 90% RH
• Environmental condition during the production: ≤ 30°C / 60% RH according to IPC/JEDEC J-
STD-033A paragraph 5
• The maximum time between the opening of the sealed bag and the reflow process shall be 168
• Hours if the condition b) “IPC/JEDEC J-STD-033A paragraph 5.2” is respected
• A baking is required if conditions b) or c) are not respected
• A baking is required if the humidity indicator inside the bag indicates 10% RH or more