HC-42 6pin Bluetooth 5.0BLE Serial Port Module

(1 customer review)

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Approx Restocking Date: NA
SKU: 456160
  1. Frequency Band: 2.4G.
  2. Air Rate: 1Mbps/2Mbps.
  3. Working Voltage: 1.8~3.6V.
  4. Antenna: PCB internal antenna.
  5. Shutdown Current: 0.3μA.
  6. Working Temperature: -25℃~+75℃.
  7. Reference Distance: 40m/2Mbps.

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Brand: Generic
Category: Bluetooth and NRF Modules
Tags: HC42 Bluetooth module, Bluetooth 5.0

The HC-42 6pin Bluetooth 5.0BLE Serial Port Module is a new generation of digital transmission module based on the Bluetooth BLE V5.0 Bluetooth protocol. The working frequency band is 2.4GHz ISM, and the modulation method is GFSK. The module’s maximum transmit power is 4dBm and the receiving sensitivity is -96dBm.

The HC-42 6pin Bluetooth 5.0BLE Serial Port Module uses BLE (Bluetooth Low Energy) protocol. The main difference between Bluetooth and BLE is power consumption. Bluetooth consumes more power than BLE but can handle a lot of data. BLE is more appropriate for quickly transferring small amounts of data between nearby devices. BLE is less power-hungry, so the devices running this protocol can operate for years with a small battery; perfect for IoT!

Note: The product dimensions may have ±2% error. Color also may vary due to light effect.

Specifications :

  1. Part Number: HC-42D
  2. Version: BLE 5.0
  3. Module Size: 37mm *15.6 mm
  4. Frequency Band: 2.4G
  5. Air Rate: 1Mbps/2Mbps
  6. Working Voltage: 1.8~3.6V
  7. Antenna: PCB internal antenna
  8. Shutdown Current: 0.3μA
  9. Communication Interface: UART
  10. Sensitivity: [email protected]
  11. Level: 1.8~3.6V,Same to Working Voltage
  12. Working Humidity: 10%~90%
  13. Transmit Power: -40~4dBm
  14. Storage Temperature: -40℃~+85℃
  15. Reference Distance: 40m/2Mbps(BLE 5.0)
  16. Working Temperature: -25℃~+75℃

Package Includes : 

1 x HC-42 6pin Bluetooth 5.0BLE Serial Port Module.


BLE 5.0

Input Voltage (V)

1.8 ~ 3.6


[email protected]

Air Rate



37 x 15.5 x 4



Shipment Weight

0.005 kg

Shipment Dimensions

5 × 3 × 2 cm

15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 1 review

5.0 overall

Add a review

  1. S K MUGILAN (verified owner)

    Working good with arduino nano



Questions and answers of the customers

  1. 0 votes

    You can use Softwareserial.h library and the fo... Read more

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Country Of Origin: China