User's Manual

GE/GC864-QUAD V2 and GE864-GPS Hardware User Guide
1vv0300915 Rev.2 – 2011-06-15
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights
Reserved. Page 46 of 97
7. Antenna
The antenna(s) connection and board layout design are the most
important part in the full product design and they strongly
reflect on the product overall performances, hence read
carefully and follow the requirements and the guidelines for a
proper design.
7.1. GSM Antenna (GE864-QUAD V2/GPS and GC864-
QUAD V2)
7.1.1. GSM Antenna Requirements
As suggested on the Product Description the antenna for Telit
GE/GC864-QUAD V2 and GE864-GPS devices shall fulfill the
following requirements:
ANTENNA REQUIREMENTS
Frequency range
Depending by frequency band(s)
provided by the network operator, the
customer shall use the most suitable
antenna for that/those band(s)
Bandwidth
70 MHz in GSM850, 80 MHz in GSM900,
170 MHz in DCS & 140 MHz PCS band
Gain
Gain < 1,4dBi in GSM 850 & 900
and < 3,0dBi DCS & PCS
Impedance
50 ohm
Input power
> 2 W peak power
VSWR absolute max
<= 10:1 (limit to avoid permanent
damage)
VSWR recommended
<= 2:1 (limit to fulfill all
regulatory requirements)
Furthermore if the devices are developed for the US market
and/or Canada market, they shall comply to the FCC and/or IC
approval requirements:
Those devices are to be used only for mobile and fixed
application. 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. End-Users
must be provided with transmitter operation conditions for
satisfying RF exposure compliance. OEM integrators must ensure
that the end user has no manual instructions to remove or
install the GE/GC864-QUAD V2 AND GE864-GPS modules. Antennas