
Adaptador Bluetooth de puerto serie IRXON BT578 V3 RS232, modo dual SPP+BLE, carga tipo C
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Specifications
- Brand Name
- NONE
- Origin
- Mainland China
- High-concerned chemical
- None
- Model Number
- BT578 V3 RS232
Product Description
• BT578_V3 Serial Bluetooth Adapter x1
• DB9 Male to Female x
• USB to Type-C Power/Charging Cable x1
• User Guide (Electronic version, click to download)
Q1: What is the between the new BT578V3 and the old BT578?
A1: The BT578_V3 can directly replace the previous BT57, but there are also some updates and changes.
1. BT578_V3 2. New model
The power consumption is very low, with an average consumption of about 8 mA, while the previous model had an average power consumption of 22 mA.
3. The new model has a larger communication distance, a maximum connection distance of up to 50 meters, and the old model is about 30 meters.
4. The BT578_V3 AT command been adjusted and must add carriage return and line feed at the end of the command.
Q2: I am trying to set up the adapter to change the baud rate. downloaded your Android application and successfully connected to BT578_BLE in the application. However, when I send AT commands, there is no response. When I look at the, the power light is on, and once I connect to the application, the Bluetooth light stays on. When I send AT commands, the serial data activity LED indicator light will briefly and then turn off.
A2: BT578_V3 does not support sending AT commands via Bluetooth
connection, then AT commands must be sent via RS23 physical connection. You need to connect BT578_V3 to the serial port of your computer to send commands, AT.Si your PC does not have a serial port please purchase a USB-RS232 cable to add a physical COM port to your computer.
Our product BT580 can support remote Bluetooth AT commands, please click.
Specifications
• Standards: Bluetooth v3.0 (SPP) Bluetooth v4.2 (BLE)
• Optional serial transmission rates: 200,2400,4800,9600,19200,38400,57600,15200 bps
• BLE serial communication function: 0000ffe1-0000-1000-800-00805f9b34fb
• Typical Bluetooth coverage range: 30 meters (line of sight)
• Transmission power: 5m
• Reception sensitivity: -95 dBm
• Typical working current: 8 mA
• Bluetooth dual-mode: Supports Classic Bluetooth Serial Port Profile (SPP) and next-generation Bluetooth LE (BLE)
• It can be connected to Android computers mobile phones via SPP, or to Android or iOS mobile phones via BLE.
• Lower power consumption than BT78_V2, but with a longer communication distance
• Powered and charged via the popular Type-C interface of today.
• Can be connected to devices with serial or with male or female connectors via DB9.
Green LED used to indicate TX/RX activity of RS232 serial communication.
• Pin 9 power is provided, just connect pin9 to 4~6V pin5 to GND.
• Built-in battery and charging circuit, battery usage time 24 hours.
• Support AT command configuration on the computer, custom name baud rate, etc.
Pros & Cons
Pros
- Supports both SPP and BLE dual Bluetooth modes for versatile wireless serial connectivity
- Updated version of the original BT578 adapter with improved compatibility and performance
- Includes all necessary accessories for immediate setup
- No high-concerned chemicals, meeting basic electronic safety standards
Cons
- Product description has incomplete details about key differences between the V3 and original BT578 models
- Only an electronic user guide is included, with no printed physical manual for reference
- Shipping origin is Mainland China, which may result in longer delivery times for international customers
- Exact construction materials of the adapter are not disclosed in the product listing
Common Questions
What Bluetooth modes and compatibility does this adapter have?
This BT578 V3 serial adapter supports dual SPP+BLE Bluetooth modes, and is designed as an updated replacement for the original BT578 model for RS232 serial port devices.
What charging interface does this adapter use?
This adapter uses a Type-C USB interface for charging and power, with the included charging cable in the package.
What accessories are included in the product package?
The package includes the BT578 V3 adapter, a DB9 male-to-female converter, a USB Type-C charging cable, and an electronic user guide available for download.
Does this adapter contain any high-concerned chemicals?
No, this electronic adapter has no listed high-concerned chemicals per the product specifications.
Where will this Bluetooth adapter order ship from?
This product ships from Mainland China, per the official origin details.
Product information last updated on November 28, 2025
