Product Info

LTE Module Series
EC21 Hardware Design
EC21_Hardware_Design
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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-HSDPA, HSPA+, HSDPA, HSUPA,
WCDMA, EDGE and GPRS networks. It also provides GNSS
1)
and voice functionality
2)
for customers’
specific applications. EC21 contains nine variants: EC21-E, EC21-A, EC21-V, EC21-AU, EC21-AUT,
EC21-AUV, EC21-J, EC21-KL and EC20-CEL. Customers 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
Modules
2)
LTE Bands
UMTS Bands
GSM
Rx-
diversity
GNSS
1)
EC21-E
FDD: B1/B3/B5/B7/B8/B20
WCDMA:
B1/B5/B8
900/1800
Y
GPS,
GLONASS,
BeiDou/
Compass,
Galileo,
QZSS
EC21-A
FDD: B2/B4/B12
WCDMA:
B2/B4/B5
N
Y
EC21-V
FDD: B4/B13
N
N
Y
EC21-AU
3)
FDD: B1/B2/B3/B4/B5/B7/B8/
B28
TDD: B40
WCDMA:
B1/B2/B5/B8
850/900/
1800/1900
Y
EC21-AUT
FDD: B1/B3/B5/B7/B28
WCDMA:
B1/B5
N
Y
EC21-AUV
FDD: B1/B3/B5/B8/B28
B1/B5/B8
N
Y
N
EC21-J
FDD: B1/B3/B8/B18/B19/B26
N
N
Y
N
EC21-KL
FDD: B1/B3/B5/B7/B8
N
N
Y
N
EC20-CEL
FDD: B1/B3/B5
N
N
N
N