User guide

UC864-E/G/WD/WDU Hardware User Guide
1vv0300766a Rev.4
- 03/02/09
Reproduction forbidden without Telit Communications S.p.A’s. written authorization - All Rights Reserved. Page 33 of 78
6. Antenna(s)
The antenna connection and board layout design are the most important parts in the
full product design and they strongly reflect on the product’s overall performances.
Read carefully and follow the requirements and the guidelines for a proper design.
6.1. GSM/WCDMA Antenna Requirements
As suggested on the Product Description, the antenna for a Telit UC864-
E/G/WD/WDU device must fulfill the following requirements:
Furthermore if the device is developed for the US and/or Canada market, it must
comply to the FCC and/or IC approval requirements:
This device is 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 UC864-E/G/WD
GSM / WCDMA Antenna Requirements
Frequency
range
Depending by frequency band(s) provided by the network operator, the
customer must use the most suitable antenna for that/those band(s)
UC864-E UC864-G UC864-WD UC864-WDU
Bandwidth
70 MHz in
GSM850, 80
MHz in GSM900,
170 MHz in DCS
& 140 MHz PCS
250 MHz in
WCDMA2100
band
70 MHz in
GSM850, 80 MHz
in GSM900, 170
MHz in DCS & 140
MHz PCS
70 MHZ in
WCDMA850, 140
MHz in
WCDMA1900,
& 250 MHz in
WCDMA2100 band
80 MHz in
GSM900, 170
MHz in DCS
80 MHz in
WCDMA900,
250 MHz in
WCDMA2100
70 MHz in
GSM850, 140
MHz PCS
70 MHZ in
WCDMA850,
140 MHz in
WCDMA1900
Gain
Gain < 3dBi
Impedance
50 Ohm
Input power
> 33dBm(2 W) peak power in GSM
> 24dBm Average power in WCDMA
VSWR
absolute max
<= 10:1
VSWR
recommended
<= 2:1