Wireless Module LoRa Spread Spectrum EBYTE E77-400M22S E77-900M22S 433/470MHz 868/915MHz ARM Cortex-M4 Low Power Consumption SoC

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[Introduction]:E77-400M22S is based on ST's newly launched STM32WLE5CCU6 (ARM Cortex-M4 + LoRa) SoC wireless communication module. It has the characteristics of remote communication, low standby power consumption, strong anti-interference ability, rich... Read more

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Color: E77-900M22S

  • E77-900M22S
  • E77-400M22S

Ships From: China

  • China

Weight: 1.6g

  • 1.6g
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Categories: lora moduleTags: lora, soc

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[Introduction]:E77-400M22S is based on ST's newly launched STM32WLE5CCU6 (ARM Cortex-M4 + LoRa) SoC wireless communication module. It has the characteristics of remote communication, low standby power consumption, strong anti-interference ability, rich interface resources, strong processing ability and small size.

[Introduction]:E77-900M22S is based on ST's newly launched STM32WLE5CCU6 (ARM Cortex-M4 + LoRa) SoC wireless communication module. It has the characteristics of long communication distance, low standby power consumption, strong anti-interference ability, rich interface resources, strong processing ability and small size.

Brand Name:EBYTE
Origin:Mainland China
Condition:New
Type:Drive IC
Model Number:E77-400M22S/E77-900M22S
Package:SMD

E77-400M22S:

RF Parameter Value
Remark
Working frequency
410~510 MHz

Support ISM band

Transmitting power 0~21.5 dBm

The software is adjustable, and users need to develop their own settings

Receiving sensitivity -118 dBm

GFSK,air speed1.2kbps

Reference distance(PCB/IPX) 5600m

 

Clear and open environment, maximum power, antenna gain 3.5dBi, height 2m, airspeed

1.2kbps



Hardware Parameter Value
Remark

IC full name

STM32WLE5CCU6

——

core

Cortex-M4

——

FLASH

256 KB

——

RAM

64 KB

——

Crystal frequency

32MHz/32.768KHz

External crystal

Size

14 * 20 mm

——

Antenna type

IPEX/stamp hole

Equivalent Impedance Approx.50Ω

Communication

interface

UART、SPI、I²C、GPIO、ADC

Users need to develop their own settings

Packaging

Patch stamp hole

——


Electronic parameter Min. Typ. Max. Unit Condition
voltage 1.8 3.3 3.6 V

≥3.3V Guaranteed output power

Exceeding 3.6V will permanently burn the

module

communication

level

-

3.3

- V

Using 5.0V TTL is recommended to add

level conversion

Emission

current

- 128 - mA Instantaneous power consumption
receive current - 14  - mA ——
sleep current - 3 - μA software shutdown

Operating

temperatur

-40 20 85 -

Working

humidity

10 60 90 % -

Storage

temperature

-40 20 125 -

 

Development Testin

【AT】LoRaWAN AT commands for STM32CubeWL

【Product application】AN-2022013_E77 Series LoRaWAN Demo Instruction Manual

【Demo】E77 Series LoRaWAN Demo

 

E77-900M22S:

RF Parameter Value
Remark
Working frequency
850~930 MHz

Support ISM band

Transmitting power 0~21.5 dBm

The software is adjustable, and users need to develop their own settings

Receiving sensitivity -118 dBm

GFSK,air speed1.2kbps

Reference distance(PCB/IPX) 5600m

 

Clear and open environment, maximum power, antenna gain 3.5dBi, height 2m, airspeed

1.2kbps



 

Hardware Parameter Value
Remark

IC full name

STM32WLE5CCU6

——

core

Cortex-M4

——

FLASH

256 KB

——

RAM

64 KB

——

Crystal frequency

32MHz/32.768KHz

External crystal

Size

14 * 20 mm

——

Antenna type

IPEX/stamp hole

Equivalent Impedance Approx.50Ω

Communication

interface

UART、SPI、I²C、GPIO、ADC

Users need to develop their own settings

Packaging

Patch stamp hole

——


 

Electronic parameter Min. Typ. Max. Unit Condition
voltage 1.8 3.3 3.6 V

≥3.3V Guaranteed output power

Exceeding 3.6V will permanently burn the

module

communication

level

-

3.3

- V

Using 5.0V TTL is recommended to add

level conversion

Emission

current

- 128 - mA Instantaneous power consumption
receive current - 14  - mA ——
sleep current - 3 - μA software shutdown

Operating

temperatur

-40 20 85 -

Working

humidity

10 60 90 % -

Storage

temperature

-40 20 125 -

 

E77-900M22S_01

Color

E77-900M22S, E77-400M22S

Ships From

China

Weight

1.6g

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Wireless Module LoRa Spread Spectrum EBYTE E77-400M22S E77-900M22S 433/470MHz 868/915MHz ARM Cortex-M4 Low Power Consumption SoC

E77-900M22S / China / 1.6g
E77-900M22S / China / 1.6g
$6.08