Product Concept; General Description - Quectel EC21 Series Hardware Design

2

Product Concept

2.1. General Description

EC21 is a series of LTE-FDD/LTE-TDD/WCDMA/GSM wireless communication module with receive
diversity. It provides data connectivity on LTE-FDD, LTE-TDD, DC-HSPA+, HSPA+, HSDPA, HSUPA,
WCDMA, EDGE and GPRS networks. It also provides GNSS
applications. EC21 contains ten variants: EC21-E, EC21-A, EC21-V, EC21-AUT, EC21-AU, EC21-AUV,
EC21-AUTL, EC21-J, EC21-CT and EC21-KL. You can choose a dedicated type based on the region or
operator. The following table shows the frequency bands of EC21 series module.
Table 1: Frequency Bands of EC21 Series Module
2)
Modules LTE Bands
EC21-E FDD: B1/B3/B5/B7/B8/B20
FDD: B2/B4/B12
EC21-A
EC21-V FDD: B4/B13
FDD: B1/B3/B5/B7/B28
EC21-AUT
FDD: B1/B2/B3/B4/B5/B7/B8/
3)
B28
EC21-AU
TDD: B40
EC21-AUV FDD: B1/B3/B5/B8/B28
EC21-AUTL FDD: B3/B7/B28
EC21-J FDD: B1/B3/B8/B18/B19/B26
EC21-CT FDD: B1/B3/B5
EC21-KL FDD: B1/B3/B5/B7/B8
EC21_Hardware_Design
1)
and voice functionality
3G Bands GSM
WCDMA:
900/1800
B1/B5/B8
WCDMA:
N
B2/B4/B5
N N
WCDMA:
N
B1/B5
WCDMA: 850/900/
B1/B2/B5/B8 1800/1900
B1/B5/B8 N
N N
N N
N N
N N
Confidential / Released
LTE Module Series
EC21 Hardware Design
2)
for your specific
Rx-
1)
GNSS
diversity
Y
GPS,
Y
GLONASS,
Y BeiDou/
Compass,
Y
Galileo,
QZSS
Y
Y N
Y N
Y N
N N
Y N
12 / 94