One of the most widely used motorcycle accessories today is an additional communication device installed on the helmet called a helmet intercom. In addition to its main function as a communication tool, currently some helmet intercoms are also equipped with an action camera feature. Intercom helmets can also be connected to several other users so that riders can stay connected to each other while riding together called a touring.
In this article we will discuss all about helmet intercom and its DJID certification requirements in Indonesia.
What is helmet intercom?
Helmet intercom is a wireless communication device equipped with Bluetooth technology. This device allows a motorcycle rider to communicate with a passenger or with other riders while riding in a group through Bluetooth connectivity.
Helmet intercom usually consists of two units, one for the rider and the other one for the passenger. The two units are connected via a Bluetooth connection, allowing the rider and passenger to communicate easily.
How helmet intercom works?
Generally, helmet intercom works by utilizing Bluetooth connectivity. Riders can connect two helmet intercoms by establishing a Bluetooth connection.
After two helmet intercoms are connected, the rider and passenger can communicate by pressing the button on the intercom unit. The sound will be received by the other unit through the speaker and microphone integrated into the helmet intercom.
For wider group communication, some helmet intercoms offer a mesh network communication. This network allows riders to communicate with many other users simultaneously without having to be paired one by one like a regular Bluetooth intercom.
In addition to connecting to other intercom units, riders can also connect their helmet intercom to a smartphone. The way we connect a helmet intercom to a smartphone is actually identical to a Bluetooth headset connection.
Components of helmet intercom
Helmet intercom consists of several components, the main components of a helmet intercom include:
- Control unit: mounted on the outside of the helmet.
- Speaker: placed inside the helmet, just above the ear.
- Microphone: mounted on the inside near the mouth.
- Physical buttons: for voice control operation.
Features of helmet intercom
Here are some of features offered by a helmet intercom:
- Communication with other riders: the main feature of the helmet intercom is allowing communication between riders. This helps riders to stay connected while riding together in a group.
- Communication with the passenger: with the helmet intercom, a rider can also communicate with the passenger more comfortably. This is very helpful when riding on busy roads.
- Connected with other devices: many helmet intercoms can also connect to other devices such as smartphone or GPS navigation system. It allows riders to listen to music or receive directions more safely.
- Good sound quality: helmet intercoms offer good and clear sound quality, making it easier for riders and passengers to communicate. Some helmet intercom also have volume and equalizer settings to adjust the sound as needed.
- Compact design: the helmet intercom is designed with a compact and lightweight design, so it does not add weight to the helmet. Some helmet intercom models also have an elegant and stylish design, making them suitable for use by various types of riders.
Benefits of helmet intercom
Here are some of the advantages of using a helmet intercom:
- Efficient communication: the use of helmet intercom makes it easier for the rider and passenger to communicate while riding. It makes communication faster and more efficient.
- Ease of riding: with a helmet intercom, the rider can stay connected with the passenger or other riders while riding, making it easier for the rider to give instructions or receive directions from the passenger or other riders.
- Riding safely: using a helmet intercom also increase safety level while riding. Riders can easily and safely communicate with their passengers or other riders while riding.
DJID certification for helmet intercom
As mentioned earlier, helmet intercom will requires Bluetooth connectivity to communicate with other intercom or smartphone. Helmet intercom equipped with Bluetooth feature can be categorized as telecommunications devices.
Therefore, helmet intercom should meet applicable compliance standards before being marketed in Indonesia. This compliance requirement is carried out through a product certification process called DJID certification.
By processing the DJID certification, it indicates that the product has been marketed legally in Indonesia. In addition, DJID certificate also ensures that the helmet intercom already worked in the permitted frequency bands in Indonesia, so it will not cause any interference during its operation.
Before processing the DJID certification, it is necessary to perform some testing for helmet intercom which are RF and EMC testing.
RF test for helmet intercom
As already mentioned that helmet intercom support Bluetooth connectivity. The Bluetooth testing is performed based on the technical regulation of KEPMEN KOMINFO No. 260 year 2024. Below is the required testing parameters for Bluetooth feature.
| Frequency band | Output power | Spurious emission | Testing method |
| 2400 – 2483.5 MHz | < 20 dBm EIRP | EN 300 328 | EN 300 328 |
In addition to Bluetooth connectivity, some helmet intercoms also support mesh connectivity. This connectivity works in the same frequency band as Bluetooth which is frequency band of 2.4 GHz. Mesh connectivity also share the same technical regulation as Bluetooth. Below is the required testing parameters for mesh network feature.
| Frequency band | Output power | Spurious emission | Testing method |
| 2400 – 2483.5 MHz | < 20 dBm EIRP | EN 300 328, EN 300 440 | EN 300 328, EN 300 440 |
EMC test for helmet intercom
EMC test for helmet intercom is performed based on the EMC standard of CISPR32. If the helmet intercom is supplied by non-rechargeable battery, then the required EMC parameters should be radiated emission only.
However, most of helmet intercom today is supplied rechargeable battery with power adapter, so the required EMC parameters should be radiated and conducted emission.
The testing of EMC radiated emission for helmet intercom is carried out in the frequency range of 30 – 1000 MHz and 1000 – 6000 MHz. For helmet intercom with rechargeable battery, then the testing of EMC conducted emission is carried out at main terminal power and in the frequency range of 150 kHz – 30 MHz.
If you have any question related to DJID certification, please don’t hesitate to contact us by sending enquiry to info@narmadi.com.
