LoRa2021F33-2G4: 2W High-Power, High-Speed Multi-Band LR2021 Wireless Communication Module

Voltage Range

3.0

5

5.5

V

Operating Temperature

-40

25

85

℃

Maximum Input Signal

10

dBm

Current Consumption

Transmit Current

@433MHz, 5V, 2W

< 1100

mA

@868/915MHz,5V,1W

< 1000

mA

@2.4GHz,5V, 1W

TxPower=5

< 1000

mA

Receive Current

@Sub-GHz

< 8

mA

@2.4G bypass ON

< 9

mA

@2.4G bypass OFF

<42

mA

Sleep Current

@3.3V

<20

uA

RF Parameters

Frequency Range

@433MHz

410

450

MHz

@470MHz

470

510

MHz

@868MHz

840

880

MHz

@915MHz

890

930

MHz

Transmit Power Adjustable Range

@Sub-GHz@433MHz

18

33

dBm

@Sub-GHz@868MHz

10

31

dBm

@Sub-GHz@915MHz

6

31

dBm

@2.4GHz

11

30

dBm

Receive Sensitivity

BW=62.5KHz,SF=12 @Sub-GHz

-143

dBm

BW=125KHz,SF=10 @Sub-GHz

-136

dBm

BW=125KHz,SF=10 @2.4GHz, Bypass ON

-124

dBm

BW=125KHz,SF=10 @2.4GHz, Bypass OFF

-136

dBm

Frequency Error

0.5

ppm

Modulation Rate 

(@Sub-GHz)

@LoRa

0.0458

125

Kbps

@FSK

0.2

2000

Kbps

Modulation Rate 

(@2.4GHz)

@LoRa

0.476

101.5

Kbps

1

VCC

Connect to the positive power supply.

2,3,4,6,

7,8,11

GND

Connect to the negative power supply.

5

CE

I

0-5.5V

Internal LDO Enable Control Pin:

Operation: Drive high or leave floating (internal pull-up ensures high).

Sleep Mode: Connect to ground.

9

ANT

Sub-GHz Antenna Port, External 50Ω Antenna

10

ANT-2G4

2.4 GHz Antenna Port, External 50Ω Antenna

12

SCK

I

0-3.3V

SPI clock input

13

NSS

I

0-3.3V

SPI chip select input

14

BUSY

O

0-3.3V

Used for status indication, refer to the chip datasheet for details.

15

ANTA    MOSI

I

0-3.3V

SPI data input

16

MISO

O

0-3.3V

SPI data output

17

RESET

I

0-3.3V

Reset trigger input, refer to the chip datasheet for details.

18

IRQ

O

0-3.3V

Multipurpose digital interface, refer to the chip datasheet for details.