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、IÂČC、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 - ÎŒA 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、IÂČC、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 - ÎŒA 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