Rolling shutter remote controls primarily have two modes of communication: infrared remote control and wireless remote control. Both can achieve remote operations, but they differ in their working principles, application scenarios, and limitations.

Infrared Remote Control:
Working Principle: The infrared remote control emits specific coded patterns through infrared light, and receiving devices (like the infrared receiver module of the rolling shutter) capture and decode these infrared signals to execute corresponding commands.
Advantages:
1. Cost-effective.
2. Technologically mature and widely used.
Limitations:
1. Requires a direct line of sight, with no obstacles between the remote control and the receiver.
2. Short effective distance, typically within a few meters.
3. External light sources, such as sunlight, can interfere with the infrared signal.

Wireless Remote Control:
Working Principle: Wireless remote controls use radio waves (like RF, Bluetooth, Zigbee, etc.) to transmit data. These wireless signals can penetrate walls and other obstacles, reaching the receiver to be decoded and execute the corresponding actions.
Advantages:
1. Long effective distance, reaching tens or even hundreds of meters.
2. Doesn’t require a direct line of sight and can penetrate walls and other barriers.
3. Can support communication between multiple devices.
Limitations:
1. Might be interfered with by other wireless devices.
2. Typically more expensive than infrared remote controls.
3. Requires more power and battery life.

For rolling shutters, due to the need to operate from a distance or out of line of sight, wireless remote controls are usually more popular. However, regardless of the type of remote chosen, the security of the system should be ensured, such as using encryption and secure transmission protocols to prevent malicious intrusion and manipulation.