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Eora-S3-400tb Lora Module Bluetooth WiFi Module Development Board Esp32-S3 Chip 2.4GHz Band 433MHz OLED

Negotiable 10 Pieces (MOQ)

Min. Order:

10 Pieces

Port:

Chengdu, China

Payment Terms:

L/C, T/T, D/P, Western Union, Paypal

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Chengdu Ebyte Electronic Technology Co., Ltd

Sichuan, China

Last Login Date:

Oct 09, 2025

Main Products:

Wireless Module, Spi /Soc/Uart, WiFi Module, BLE Module, Zigbee Module, Remote Control Switch, Serial Server/Ethernet, Remote Io Module, 4G/Nb-IoT/GPS, Can Bus

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Product Description

Company Info

Basic Info.

Model NO.

EoRa-S3-400TB

Usage

Telephone, Computer, Workstation, Server, Mobile phone, Laptop

Type

Wireless

Information content

Data

Certification

CE, ISO, RoHS, GS

Condition

New

Product Description

EoRa-S3-400TB Alternative to Raspberry PI LORA module Bluetooth WiFi module development board ESP32-S3 chip

[Interface]:USB

[Size]:27*64mm

[Introduction]:EoRa-S3-400TB wireless module development test board is a development test kit based on Espressif's ESP32-S3FH4R2 chip and Ebyte LoRa module. The development board integrates a Type-C interface, E22-400MM22S LoRa module, 0.96-inch OLED display, SD card slot, lithium battery charging circuit and its power supply circuit.

Limit parameters

Main parameters	performances		note
Main parameters	minimum value	maximum values	note
Supply Voltage	0 V	5. 5 V	Supply voltage above 5.5 V may cause module burnout
LoRa Blocking Power	-	10 dBm	Less likely to burn out in close proximity
operating temperature	-40 0 C	+85 ° C	industrial grade

Parameters of the whole machine

Main parameters	performances			note
Main parameters	minimum value	typical value	maximum values	note
Whole machine working voltage (V)	3.2	3. 3	5	23. 3V guaranteed output power
UART communication level (V)		3. 3		Risk of burn-in using 5V TTL
Operating temperature (' 0	-40	-	+85	Industrial-grade design

Wi-Fi parameters

Main parameters	performances			note
Main parameters	minimum value	typical value	maximum values	note
Operating frequency band (MHz)	2412	-	2484
Maximum transmit power (dBm)	18	-	21	See Loxin ESP32-S3 official datasheet for details
Transmission rate (Mbps)	1	-	150	Maximum rate of 11 Mbps under 802.lib standard Maximum speed of 54 Mbps under 802.11g standard Maximum speed of 150 Mbps under 802. lln standard
Receiving sensitivity(dBm)	-98.4	-	-71.4	See Loxin ESP32-S3 official datasheet for details
Emission current (mA)	286	-	340	See Loxin ESP32-S3 official datasheet for details
Operating current (mA)	88	-	91	See Loxin ESP32-S3 official datasheet for details

BLE parameters

400MHz LoRa Parameters

Internal LoRa module parameters

LoRa module main parameters	descriptive	note
reference distance	6000 m	Clear and open environment, antenna gain 5dBi, antenna height 2.5 meters, LoRa air rate 0. 3kbps. (This parameter is measured in the open area of Chengdu city.)
FIFO	256 Btye	Maximum length of a single transmission
crystal frequency	32 MHz	passive crystal
modulation method	GFSK/LoRa	Recommended for LoRa
Package	chip-based	-
interface method	SPI	-
Overall Dimension	10102. 5 mm	-
Antenna Interface	SMA/IPEX	Characteristic impedance approx. 50 ohms

Address: Innovation Center D347, 4# Xi-Xin Road, High-Tech District(West), Chengdu, Sichuan, China

Business Type: Manufacturer/Factory

Business Range: Electrical & Electronics, Industrial Equipment & Components

Management System Certification: ISO 9001

Main Products: Wireless Module, Spi /Soc/Uart, WiFi Module, BLE Module, Zigbee Module, Remote Control Switch, Serial Server/Ethernet, Remote Io Module, 4G/Nb-IoT/GPS, Can Bus

Company Introduction: Chengdu Ebyte Electronic Technology Co., Ltd. Is a high-tech enterprise which specializes in Internet of Things communications, has hundreds of self-developed products and unanimously recognized by customers. Our company has a strong R&D capabilities, with a perfect after-sale system, we provide customers with complete solutions and technical support, shorten the R&D cycle, reduce R&D costs, and provide a powerful platform for new products development.

Ebyte is a national high-tech enterprise specializing in the research and development of wireless modules and industrial IoT terminals. Independently developed and produced products include LoRa/WiFi Wireless Module/Bluetooth/ZigBee wireless modules, 4G networking equipment, Ethernet modules, NB-IoT data transmission terminals, industrial IoT

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