HC-42 Bluetooth 5.0 BLE Serial Port Module is designed for low-power wireless serial communication using Bluetooth 5.0 technology. Ideal for IoT devices, embedded systems, and short-range data transmission applications.

Explore our full range of Bluetooth Modules for wireless communication, IoT projects, and microcontroller integration.

Features:

1. Bluetooth 5.0 BLE Support
2. Low Power Consumption Design
3. UART Serial Communication
4. Compact PCB Antenna Design
5. Stable Wireless Communication
6. Long Range up to 40m
7. Suitable for IoT and Embedded Applications

Specifications:

Parameter	Value
Model	HC-42D
Bluetooth Version	BLE 5.0
Frequency Band	2.4 GHz
Air Rate	1 Mbps / 2 Mbps
Operating Voltage	1.8 – 3.6V
Communication Interface	UART
Antenna	PCB Internal
Sensitivity	-96 dBm @1Mbps
Transmit Power	-40 to 4 dBm
Shutdown Current	0.3 µA
Reference Distance	Up to 40 m
Working Temperature	-25°C to +75°C
Storage Temperature	-40°C to +85°C
Humidity Range	10% – 90% RH
Dimensions	37 × 15.6 mm

Related Bluetooth Modules:

• HC-08 Bluetooth 4.0 BLE Serial Port Module 
• HC-05 Bluetooth Module 
• HC-06 Bluetooth Module 
• HC-05 Core PCB Bluetooth Module 
• HM-10 / AT-09 Bluetooth 4.0 BLE Module 

Package Includes:

1 x HC-42 Bluetooth 5.0 BLE Serial Port Module