Product Info

LTE Standard Module Series
EC21 Hardware Design
EC21_Hardware_Design 18 / 120
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 11 variants: EC21-E, EC21-A, EC21-V, EC21-AU, EC21-EU,
EC21-EC, EC21-AUT, EC21-AUV, EC21-J, EC21-KL and EC21-AUX. 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
WCDMA
Bands
GSM Bands
Rx-
diversity
GNSS
1)
EC21-E
FDD:
B1/B3/B5/B7/B8/B20
B1/B5/B8 900/1800MHz Y
GPS,
GLONASS,
BeiDou/
Compass,
Galileo,
QZSS
EC21-A
FDD: B2/B4/B12 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
B1/B2/B5/B8
850/900/
1800/1900MHz
Y
EC21-EU
FDD:
B1/B3/B7/B8/B20/B28A
B1/B8 900/1800MHz Y
EC21-AUT
FDD:
B1/B3/B5/B7/B28
B1/B5 N Y
EC21-EC
FDD:
B1/B3/B7/B8/B20/B28A
B1/B8 900/1800MHz Y N
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