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 47 of 88
6.3. GSM/WCDMA/LTE Antenna – Installation
Guidelines
Install the antenna in a location with access to the network radio signal.
The antenna must be installed such that it provides 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;
The antenna must not be installed inside metal cases;
The antenna must also be installed according to the antenna manufacturer’s
instructions.
6.4. Antenna Diversity Requirements
This product includes an input for a second RX antenna to improve the radio sensitivity. The
function is called Antenna Diversity.
ANTENNA REQUIREMENTS
Frequency range
Depending on frequency band(s) provided by the network operator, the
customer shall use the most suitable antenna for that/those band(s)
Bandwidth
LE920-EU
LE920-NA
WCDMA band I(2100) : 250 MHz
WCDMA band III(1800) : 170 MHz
WCDMA band VIII(900) : 80 MHz
LTE Band I(2100) : 250 MHz
LTE band III(1800) : 170 MHz
LTE Band VII(2600) : 190 MHz
LTE Band VIII(900) : 80 MHz
LTE Band XX(800) : 71 MHz
WCDMA band I(2100) : 250 MHz
WCDMA band II(1900) : 140 MHz
WCDMA band IV(AWS) : 445 MHz
WCDMA band IV(850) : 445 MHz
WCDMA band V(850) : 70 MHz
WDCMA band VI(800): 55MHz
LTE Band I(2100) : 250 MHz
LTE Band II(1900) : 140 MHz
LTE Band IV(1700) : 445 MHz
LTE Band V (850) : 70 MHz
Band XVII(700) : 42 MHz
Band XII(700) : 42 MHz
Impedance
50Ω
VSWR recommended
≤ 2:1
When using the Telit LE920, since there’s no antenna connector on the module, the antenna
must be connected to the LE920 antenna pad (AU9) by means of a transmission line
implemented on the PCB.