Which one is better, si4438 and si4463 wireless module

Both si4438 and si4463 are wireless radio frequency chips launched by Silicon. The wireless modules developed by these two chips have their own advantages and strengths. It is often difficult to choose the correct ones if they are not people who have a special knowledge of these two chips. So NiceRF Wireless made the difference between the si4438 and si4463 wireless modules for everyone, so as to help you better distinguish the two modules.

The difference between si4438 and si4463 wireless modules:

From the table, we can clearly see the difference between the si4438 and si4463 wireless modules:

1. Frequency

The operating frequency supported by the si4438 wireless module is only 433MHz, while the frequency supported by the si4463 wireless module is: 433/470/868/915MHz. At this point, the si4463 module is more excellent and can provide multiple frequency bands for us to choose.

2. Sensitivity

The sensitivity of si4438 and si4463 wireless modules is -124dBm and the other is -126dBm. The greater the sensitivity is, the better the performance and the longer the transmission distance. So in terms of sensitivity, the si4463 wireless module is better.

3. Receive current

The lower the receiving current, the lower the power consumption. The receiving current of si4438 is 14mA and that of si4463 is 10.7mA. In terms of low power consumption, the si4463 wireless module is undoubtedly superior.

4. The highest rate

Regardless of the transmission distance, the higher the transmission rate, the more data can be transmitted per unit time. The maximum rate of the si4438 wireless module is 500Kbps, and the si4463 wireless module is 1000Kbps. The transmission rate is undoubtedly better for the si4463 module. 

5. Modulation mode

The more modulation modes of the wireless module, the stronger the compatibility. Therefore, the si4438 wireless module with only one GFSK modulation mode is far inferior to the si4463 module with four modulation modes in terms of compatibility.

6. Test distance

The transmission distance of the si4438 wireless module is 1400 meters, while the transmission distance of the si4463 is 2000 meters. In terms of transmission distance, the si4463 module once again wins the si4438 module.

From the detailed comparison of the above parameters, the performance of the si4463 wireless module is far better than that of the si4438 wireless module. If you do not consider the cost, choosing the si4463 module is definitely the best choice, but if the cost is Compact, and the si4438 module can meet the needs of our project, we do not need to choose the high-cost option of si4463. The higher the performance of the wireless module, the better, nor the more expensive the better, but the more suitable for you, the better. This sentence is very suitable for the choice of these two modules.