User's Manual

LE910 Hardware User Guide
1vv0301089 Rev.3 – 09-06-2014
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 41 of 79
 Install the antenna in a place covered by the GSM signal.
 If the device antenna is located greater then 20cm from the human body and there are no co-
located transmitter then the Telit FCC/IC approvals can be re-used by the end product
 If the device antenna is located less than 20cm from the human body or there are no co-
located transmitter then the additional FCC/IC testing may be required for the end product
(Telit FCC/IC approvals cannot be reused)
 Antenna shall not be installed inside metal cases
 Antenna shall be installed also according Antenna manufacturer instructions.
This product is including an input for a second RX antenna to improve the radio sensitivity.
The function is called Antenna Diversity.
DIVERSITY ANTENNA REQUIREMENTS for LE910-EUG
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
(WCDMA)
WCDMA band I(2100) : 250 MHz
WCDMA band V(850) : 70 MHz
WCDMA band VIII(900) : 80 MHz
Bandwidth
(LTE)
LTE band III(1800) : 170 MHz
LTE Band VII(2600) : 190 MHz
LTE Band XX(800) : 71 MHz
Impedance
50 ohm
VSWR recommended
≤ 2:1 (limit to fulfil all regulatory requirements)
DIVERSITY ANTENNA REQUIREMENTS for LE910-NAG
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
(WCDMA)
WCDMA band II(1900) : 140 MHz
WCDMA band V(850) : 70 MHz
Bandwidth
(LTE)
LTE Band II(1900) : 140 MHz
LTE Band IV(1700) : 445 MHz
LTE Band V (850) : 70 MHz
LTE Band XVII(700) : 42 MHz
Impedance
50 ohm
VSWR recommended
≤ 2:1 (limit to fulfil all regulatory requirements)