User's Manual

LE920 Hardware User Guide
1vv0301026 Rev.8 2015-01-03
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 80 of 88
15.4. EMC recommendations
All LE920 signals are provided with some EMC protection. Nevertheless the accepted level
differs according to which pin. The characteristics are described in the following Table:
Pad
Signal
I/O
Function
Contact
Air
All Pins
All
± 4KV
± 8KV
Antenna
AD1,AU9,S1
Antenna
Pads
AI
Antenna pad
± 8KV
± 15KV
Appropriate series resistors must be considered to protect the input lines from overvoltage.