User Guide

ME310G1 Hardware Design Guide
1VV0301588 Rev. 11 Page 48 of 91 2021-03-16
RF SECTION
Antenna requirements
The antenna connection and board layout design are the most important aspect in the full
product design as they strongly affect the general performance of the product, so read
carefully and follow the requirements and the guidelines for a proper design.
The antenna and antenna transmission line on PCB for a Telit ME310G1 device shall fulfil
the following requirements:
Item
Value
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
250 MHz in LTE Band 1
140 MHz in LTE Band 2, PCS1900
170 MHz in LTE Band 3, DCS1800
445 MHz in LTE Band 4
70 MHz in LTE Band 5, GSM850
80 MHz in LTE Band 8, GSM900
47 MHz in LTE Band 12
41 MHz in LTE Band 13
60 MHz in LTE Band 18
60 MHz in LTE Band 19
71 MHz in LTE Band 20
145 MHz in LTE Band 25
80 MHz in LTE Band 26
62 MHz in LTE Band 27
100 MHz in LTE Band 28
15 MHz in LTE Band 31
490 MHz in LTE Band 66
81 MHz in LTE Band 71
15 MHz in LTE Band 72
48 MHz in LTE Band 85
Impedance
50 ohm
Input power
ME310G1-W1: > 24dBm Average power
ME310G1-WW: > 33dBm Average power
ME310G1-W2: > 26dBm Average power
VSWR absolute max
≤ 10:1 (limit to avoid permanent damage)
VSWR recommended
≤ 2:1 (limit to fulfill all regulatory requirements)
Table 29: ME310G1 Antenna and Antenna transmission line on PCB