HOMEPRODUCTSLORA & LORAWAN MODULES (SPI ) LORA1121F33-2G4:2W HIGH-POWER WIRELESS COMMUNICATI...
LoRa1121F33-2G4:2W High-Power Wireless Communication Module
LoRa1121F33-2G4:2W High-Power Wireless Communication Module
LoRa1121F33-2G4:2W High-Power Wireless Communication Module
LoRa1121F33-2G4:2W High-Power Wireless Communication Module
LoRa1121F33-2G4:2W High-Power Wireless Communication Module
LoRa1121F33-2G4:2W High-Power Wireless Communication Module
LoRa1121F33-2G4:2W High-Power Wireless Communication Module
LoRa1121F33-2G4:2W High-Power Wireless Communication Module

LoRa1121F33-2G4:2W High-Power Wireless Communication Module

LoRa1121F33-2G4 module is built on SEMTECH's LR1121 chip, an ultra-low power, long-range LoRa transceiver supporting Sub-GHz and 2.4G band. supports LoRa, (G)FSK modulation, Sigfox protocol, and LR-FHSS. It is compatible with the LoRaWAN communication protocol and can function as a LoRaWAN node. Additionally, it offers flexible configuration options to meet the requirements of various applications and proprietary protocols.

Parameters

Test condition

Min.

Typ.

Max

Unit

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


< 900


mA

@2.4GHz,5v,1w,TxPower=5


< 1200


mA

Receive Current

@Sub-G


< 8


mA

@2.4G


< 24

29

mA

Sleep Current



< 20


uA

RF Parameters

Frequency Range

@433MHz

400


470

MHz

@470MHz

470


510

MHz

@868MHz

850


890

MHz

@915MHz

900


940

MHz

Transmit Power

@sub-GHz

18


33

dBm

@2.4G Bands

22


30

dBm

Receive Sensitivity

BW=62.5KHz,SF=12

@Sub-GHz


-142


dBm

BW=406KHz,SF=7

@2.4G Bands


-129


dBm

Frequency Error



0.5


ppm

Modulation Rate (@sub-GHz)

@LoRa

0.091


62.5

Kbps

@FSK

0.6


300

Kbps

Modulation Rate (@2.4G bands

@LoRa

0.476


101.5

Kbps


  Features

  • Sub-GHz Bands: 433/470/MHz   2W

  •  Sub-GHz Bands: 868/915MHz    1W  (Customizable : 150~960 MHz)

  • 2.4 G Bands : 2400MHz~2500MHz  1W

  •  2.4 GHz sensitivity : up to -129 dBm@ BW=406 KHz, SF=7

  • Sub-GHz sensitivity : up to -144dBm @BW=62.5KHz,SF=12

  • Electrostatic Protection (ESD)

  • Supports LR-FHSS

  • Supports LoRaWAN and Sigfox protocol

  • Supports AES-128 encryption and decryption

  • Sub-GHz transmission exceeds 10 km in open areas

  • Sleep current < 20µA

  • Small size, stamp hole design

    Applications

  • Drones

  • Remote irrigation

  • Smart home/Smart agriculture

  • Industrial manufacturing


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Pin NO.

Pin name

I/O

IO level

Description

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,pull high or leave floating to operate, connect to ground for sleep mode. Internally pulled up

9

ANT_2G4



2.4GHz antenna interface, external 50Ω antenna

10

ANT



Sub-G antenna interface, 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

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


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