Introduction
Security is essential for facilities large and small. One of the first decisions you’ll need to make is whether to use handheld metal detectors or walk-through gates at your entry points. Each option has its strengths and trade-offs. This guide will help you understand when one makes more sense than the other—so you can choose what fits best for your facility’s safety, flow, and budget.
What Are the Two Options?
- Handheld Security Metal Detectors: Portable devices (often wand-style) that security staff sweep or scan individuals after a general screening or when a walk-through detector triggers an alarm.
- Walk-Through Gates (Walk-Through Metal Detectors / Gate-Frame Detectors): Fixed archway or gate installations through which people pass. These gates sense metal objects without needing each person to be individually scanned by hand first.
Pros & Cons: Handheld Detectors
Pros:
- Flexible and portable — useful for secondary screening, mobile checkpoints, or situations where installing a full gate is impractical.
- Lower cost up front compared to walk-through gates.
- Can precisely locate metal items once there’s a suspicion.
- Easier to use in space-limited locations or for special events.
Cons:
- Slower when used for screening many people because each person must be scanned individually.
- Requires more staffing to operate because each scan needs manual effort.
- Less deterrent visibility; people may not feel as rigorously screened compared to walking through an archway.
Pros & Cons: Walk-Through Gates
Pros:
- Efficient for high throughput – many people can pass through quickly. Great for busy entrances like airports, stadiums, and malls.
- Often gives multi-zone detection or better ability to locate where on the body the metal object is, making secondary checks faster.
- More visible security presence, which helps with deterrence.
- Good choice for fixed installations with reliable power, control over entry points, and space.
Cons:
- Higher initial investment. Installation, space, power, calibration, and maintenance all cost more.
- Less portable – not easy to move from place to place.
- Can generate more false alarms if not properly calibrated or if many benign metal items are carried (phones, belts, jewelry).
- Requires sufficient space for archway, queue management, and power setup.
When to Use Handheld, When to Use Walk-Through, or Both
|
Scenario / Need |
Best Option(s) |
|
High number of people entering (airport, stadium, large events) |
Walk-through gates |
|
Secondary screening after an alarm or for suspicious item detection |
Handheld detectors |
|
Spaces with limited room or temporary / mobile checkpoints |
Handheld |
|
Budget constraints but still need security |
Handheld initially, upgrade later or hybrid setup |
|
Want strong deterrence & visible security |
Walk-through gates |
|
Multiple or many entry points but limited staff |
Walk-through at main entry + handheld elsewhere |
Often, the best solution is a hybrid approach: use walk-through gates at main entrances for volume, and handheld units for follow-ups, side entrances, or mobile/temporary checkpoints.
Key Factors to Consider for Your Facility
- Daily or peak flow of people — busy hours vs quiet times
- Threat level / security risk — what types of threats are likely, and what level of screening is needed
- Budget — including purchase, setup, power, ongoing maintenance, and staff costs
- Space & layout — is there room for a fixed archway? Are entry points fixed?
- Staffing & training — how many people are available, how trained are they in using detectors and interpreting alarms
- Regulatory / compliance requirements — some places have standards for detection / screening
- False alarm tolerance — too many false alarms reduce efficiency & satisfaction
Conclusion
There is no one-size-fits-all answer. If your facility has high traffic, centralized entry points, and the budget, walk-through gates make sense for speed and deterrence. If you need flexibility, lower cost, or secondary screening, handheld detectors are valuable tools.
For many facilities, using both in tandem gives optimal balance: high throughput plus precision and flexibility where needed. Handheld and Walk Through Security metal detectors at Detectors Hub Dubai