1. Product Overview
The RHA-BT202M is a Bluetooth dual-mode module developed by IOTRHA, supporting both BR/EDR and BLE communication. It uses UART as the default programming interface, making it easy to configure via AT commands. The module is compatible with various Bluetooth profiles such as SPP, HID, and GATT, making it an ideal solution for diverse applications, including barcode scanners, medical devices, and Bluetooth car keys. Its stable performance and wide compatibility ensure reliable data transmission, whether integrating into new projects or existing systems.

2.Key Selling Points
- Advanced Bluetooth 5.2 Dual-Mode: Supports both SPP 2.0/3.0 and BLE for fast, reliable data transmission.
- Broad Compatibility: Seamlessly connects with Bluetooth 2.0, 3.0, 4.0, and 5.0 devices, and works with Android and iOS systems.
- Effortless Setup: Configure quickly with simple AT commands for smooth and reliable performance.
- Stable Data Transmission: Flow control for TX/RX ensures no packet loss, enabling high-speed communication up to 60KB/s.
- Multi-Connection Flexibility: Supports up to 7 Android and 1 iOS device in multi-connection mode, with a compact design ideal for space-limited applications.

3.Key Features
- High-Speed Data Transmission: Achieves stable data transfer rates up to 60KB/swith flow control to prevent packet loss.
- Multi-Device Connection: One-to-one high-speed transparent transmission in slave modeor multi-connection slave mode, allowing up to max 7 Android devices and 1 Apple device to connect simultaneously.


4.Application Scenarios:

5. Technical Specifications:
Module Model |
RHA-BT202M |
Bluetooth Version |
BLE 5.0 Dual-Mode |
Bluetooth Protocol |
SPP, GATT |
Dimensions |
27mm x 13mm x 2mm |
Interface |
UART |
Antenna Type |
Built-in PCB onboard antenna |
Operating Voltage |
3.0V~3.6V |
Transmit Power |
+6 dBm (max) |
Transmission Rate |
60KB/s |
Receiver Sensitivity |
-90dBm @0.1%BER |
Baud Rate |
Default 115200bps, supports 4800bps to 4000Kbps |
Communication Mode |
AT command mode, transparent mode |

6.Why Choose Us
