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.

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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
Transmit Current	@2.4GHz,5v,1w,TxPower=5		< 1200		mA
Receive Current	@Sub-G		< 8		mA
Receive Current	@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
Transmit Power	@2.4G Bands	22		30	dBm
Receive Sensitivity	BW=62.5KHz,SF=12 @Sub-GHz		-142		dBm
Receive Sensitivity	BW=406KHz,SF=7 @2.4G Bands		-129		dBm
Frequency Error			0.5		ppm
Modulation Rate (@sub-GHz)	@LoRa	0.091		62.5	Kbps
Modulation Rate (@sub-GHz)	@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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LoRa1121F33-2G4:2W High-Power Wireless Communication Module

Features

Applications

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