Product Overview; Frequency Bands And Functions - Quectel EC21 Series Hardware Design

2

Product Overview

2.1. Frequency Bands and Functions

EC21 series module 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
customers' specific applications. EC21 series module contains 12 variants: EC21-E, EC21-A, EC21-V,
EC21-AU, EC21-EU, EC21-AUT, EC21-J, EC21-KL, EC21-AUX and EC21-EUX. Customers can choose
a dedicated type based on the region or operator. The following table shows the frequency bands of
EC21 series module.
Table 2: Supported Frequency Bands and GNSS Function of EC21 Series Module
EC21 Series 2 LTE
FDD:
EC21-E
B1/B3/B5/B7/B8/B20
EC21-A FDD: B2/B4/B12
EC21-V FDD: B4/B13
FDD:
B1/B2
EC21-AU
B8/B28
TDD: B40
FDD:
EC21-EU B1/B3/B7/B8/B20/
B28A
1 GNSS function is optional.
2
EC21 series module contains Data + Voice version and Data-only version. Data + Voice version supports voice and
data functions, while Data-only version only supports data function.
3
B2 of EC21-AU and EC21-AUX module does not support Rx-diversity.
EC21_Series_Hardware_Design
WCDMA
B1/B5/B8
B2/B4/B5
-
3
/B3/B4/B5/B7/ B1/B2/B5/
B8
B1/B8
LTE Standard Module Series
1
and voice functionality
Rx-
GSM
diversity
900/1800 MHz √
- √
- √
850/900/1800/
√
1900 MHz
900/1800 MHz √
2
for
GNSS 1
GPS,
GLONASS,
BeiDou
(COMPASS),
Galileo,
QZSS
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