The choice between active and passive RFID tags depends on the specific requirements of your application.

Here are some factors to consider when deciding between the two:

1. Power Source: Active RFID tags have their own power source (usually a battery) and can transmit signals over longer distances. Passive RFID tags, on the other hand, rely on the power received from the RFID reader's signal to operate. If longer read ranges are required or if the tagged items are in motion, active tags may be more suitable.

2. Read Range: Active RFID tags typically offer longer read ranges compared to passive tags. If you need to track or identify items over a larger area or at greater distances, active tags may be preferable.

3. Cost: Passive RFID tags are generally less expensive than active tags since they do not require a built-in power source. If you need to deploy a large number of tags, the cost difference can be significant.

4. Tag Size: Active RFID tags tend to be larger and bulkier due to the battery and additional circuitry. Passive tags are smaller and more lightweight, making them more suitable for applications where size is a constraint.

5. Maintenance: Active tags require battery replacement or recharging, which adds to ongoing maintenance costs. Passive tags, being battery-free, do not have this requirement.

6. Environmental Factors: Consider the operating environment. Active tags typically have better performance in challenging environments with interference or metal surfaces, while passive tags may be affected by such factors.

It's important to evaluate your specific use case, budget, read range requirements, and environmental conditions when choosing between active and passive RFID tags. Consulting with an RFID solution provider can also help determine the most suitable option for your application.