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

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E77-400M22S LoRaWan node module UART interface AT command configuration Support LoRaWAN 1.0.3 EU433/CN470   [Chip solution]: STM32WLE5CCU6 [Carrier frequency]:410~510 MHz [Transmit power]: 22dBm [Transmit power]: 22dBm [Communication distance]: 5600m [Product size]: 14*20mm [Product weight]:1.6g±0.1g [Introduction]:E77-400M22S is... Read more

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SKU: E77-400M22SN/ACategories: Best Selling Products, LoRa Wireless ModuleTags: lora, soc

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E77-400M22S LoRaWan node module UART interface AT command configuration Support LoRaWAN 1.0.3 EU433/CN470

[Chip solution]: STM32WLE5CCU6

[Carrier frequency]:410~510 MHz

[Transmit power]: 22dBm

[Transmit power]: 22dBm

[Communication distance]: 5600m

[Product size]: 14*20mm

[Product weight]:1.6g±0.1g

[Introduction]:E77-400M22S is a standard LoRaWan node module designed and produced by Ebyte, with an operating frequency band of 410~510MHZ, supports LoRaWAN 1.0.3 EU433/CN470 standards, supports CLASS-A/CLASS-C node types, and supports two network access methods: ABP/OTAA. At the same time, the LoRa module has a variety of low-power modes, and the external communication interface uses a standard UART. Users can access the standard LoRaWAN network through simple configuration of AT commands, which is an excellent choice for current IoT applications.

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 -

STM32WLE5CCU6 chip

Provide LoRaWAN open source routines

 

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

$6.08