User's Manual

HE910 Hardware User Guide
1vv0300925 Rev.9 07-02-2012
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 39 of 80
This transmission line shall fulfil the following requirements:
ANTENNA LINE ON PCB REQUIREMENTS
Characteristic Impedance
50 ohm
Max Attenuation
0,3 dB
Coupling with other signals shall be avoided
Cold End (Ground Plane) of antenna shall be equipotential to
the HE910 ground pins
Furthermore if the device is developed for the US market and/or Canada market, it
shall comply with the FCC and/or IC approval requirements:
This device is to be used only for mobile and fixed application. In order to re-use the
Telit FCC/IC approvals the antenna(s) used for this transmitter must be installed to
provide a separation distance of at least 20 cm from all persons and must not be co-
located or operating in conjunction with any other antenna or transmitter. If antenna is
installed with a separation distance of less than 20 cm from all persons or is co-located
or operating in conjunction with any other antenna or transmitter then additional
FCC/IC testing may be required. End-Users must be provided with transmitter
operation conditions for satisfying RF exposure compliance.
Antennas used for this OEM module must not exceed the following gains for mobile and
fixed operating configurations:
GSM 850/FDD V: 5.22 dBi
PCS 1900/FDD II: 3.31 dBi
FDD IV: 6.45 dBi
NOTE1:
The HE910-GA is not supporting the FDD BAND IV