Sierra Wireless AirPrime WP7504, Hardware Integration Manual, Page: 17 / 24

Routing Constraints and Recommendations
Rev 1 Apr.16 17 Specifications subject to change
The host device must provide adequate ESD protection on digital circuits and
antenna ports as detailed in the following table.
Note: The level of protection required depends on your application.
Mechanical Integration
Attention should be paid to:
• Antenna cable integration (bending, length, position, etc)
• Pads of the AirPrime WP7504 to be soldered to the ground plane
• Ensuring proper board layout
• Providing sufficient space around the module for heat dissipation
Table 4-1: ESD specifications
1, 2
1. ESD specifications are preliminary, subject to change.
2. ESD protection is highly recommended at the point where the UIM contacts are exposed,
and for any other signals that would be subjected to ESD by the user.
Category Connection Specification
Operational RF ports
UIM connector
USB connector
UART connector IEC-61000-4-2 - Level (Electrostatic Discharge
Immunity Test)
·
± 6kV Contact
·
± 8kV Air
Non-operational Host connector
interface
Unless otherwise specified:
•
JESD22-A114 ± 2kV Human Body Model
•
JESD22-A115 ± 200V Machine Model
•
JESD22-C101C ± 500V Charged Device
Model