How to choose a signal jammer that suits you?

There are many types of signal jammers, such as mobile phone signal jammers, GPS jammers, recording jammers and signal detectors. How to choose the right device for you? The following are brief recommendations and key points.
1. Mobile phone signal jammer: shielding communication
Used to block mobile phone signals (such as 4G, 5G, Wi-Fi), suitable for conference rooms, examination rooms, etc.
https://www.jammermfg.com/cell-phone-jammers.html
Selection points: confirm the frequency band support and power size (low power 10-20W, high power 40W+).
Recommendation: omnidirectional type for small venues and directional type for large venues.
2. GPS jammer: hidden location
Interfere with GPS signals, protect whereabouts, suitable for vehicles or personal privacy.
https://www.jammermfg.com/gps-jammer.html
Selection points: interference range (10-20 meters is enough for daily use) and portability.
Recommendation: portable or vehicle-mounted type is fine.
3. Recording jammer: prevent eavesdropping
Emit ultrasonic waves or noise, protect conversations, suitable for confidential meetings.
Selection points: coverage of 6-12 meters, silent design.
Recommended: Ultrasonic type, concealed and efficient.
https://www.jammermfg.com/F11-high-power-recording-jammer.html
4. Signal detector: discover hidden dangers
Detect eavesdropping devices, GPS, etc., suitable for hotel and vehicle inspections.
Selection points: multi-band, high sensitivity.
Recommended: handheld, simple and practical.
https://www.jammermfg.com/handheld-drone-detector-anti-drone-jammer.html
Summary:
Choose a jammer based on needs, budget and usage environment. Choose portable for small needs and high power for large scenarios to ensure both cost-effectiveness and effectiveness.