. GNSS And GPS Tracker Jammers

Global Navigation Satellite System and GPS Signal Blocker

Positioning receivers rely on weak satellite signals transmitted from Global Navigation Satellite System (GNSS) constellations such as GPS, Galileo, GLONASS, and BeiDou. The GNSS and GPS tracker jammer is designed to disrupt the reception of these signals within a defined area, preventing compatible devices from calculating location data normally.

In controlled environments, the positioning blocker may be referenced when examining navigation testing, signal isolation, or temporary restrictions on location reporting. Researchers, technology enthusiasts, and industry observers frequently explore how satellite-based positioning systems respond when signal reception becomes unavailable or unstable.

This page offers GPS signal jammers designed for modern GNSS-based tracking and positioning systems.

High Power Portable GPS and GLONASS Jammer for L1-L5
Save up to $244.70
GP-P4 Powerful Portable 4 Bands GPS and GLONASS Jammer for L1-L5(25W)
GP-P4 is a high-power Anti tracking GPS Scrambler with 25W output, built for precise GNSS signal blocking (L1–L5 + GLONASS). Compact, efficient, and designed for real anti-tracking performance. It performs better than units like USB Jammer G9Pro or GP-L4 in real environments.
handheld GPSL1-L5 signal blocker
Save up to $120
GP-L4 Handheld Full-band Global Navigation Satellite System and GPS signal blocker
The handheld GPSL1-L5 signal Blocker is designed exclusively to disrupt satellite communications. In this category, the GP-L4 stands out, as it effectively blocks all types of trackers and devices operating on GLONASS and GPS navigation systems.
Box-type Portable GSM GPS jammer for Car
Save up to $115
CM4 Box-type Portable GNSS and GPS signal blocker for positioning
CM4 is a compact Box-type portable Car GPS L1 L2 jammer for anti tracking. Blocks GSM, GPS L1/L2 signals with 10–15m coverage. Built-in battery, easy to use. It's practical for everyday vehicle privacy without drawing attention.
desktop GPS and 5G mobile Cell jammer blocker
Save up to $299
T-N10 - Desktop GPS signal blocker for all civilian bands, mobile network jamming device
The T-N10 Signal blocker effectively disrupts satellite communication signals, cellular network-based wireless internet, and Wi-Fi connections. Additionally, it efficiently blocks GSM signals and radio transmissions across ten frequency bands.
6 Bands GPS L1, L2, L3, L4, L5 jammer
Save up to $181.82
GP-N6 - Portable 6 Bands LoJack and GPS Tracker Jammer
The GP-N6 is a compact high-performance GPS and LoJack signal Blocker that blocks L1–L5 bands, offers 360° coverage, runs up to 3 hours, and features advanced cooling and customizable frequencies for reliable field use.
miniature OBD GPS jammer for Cars
Save up to $93.48
GP-OBD - OBD Port GPS Signal Jammer for Car
GP-OBD is a compact GPS jammer for cars that plugs into the OBD port, discreetly blocking GPS tracking signals (L1/Glonass) with silent operation and wide compatibility. Ideal for 24/7 anti-tracking protection.
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Not sure which Signal Jammer suits your needs?

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I received the jammer, but I think it has a problem...

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Important things

1.Please install the antenna before using the signal jammers

2.Most Portable cell phone jammers have dip switches on the side. After turning on the main power switch, activate the dip switch—the red or green light will indicate it's on. Each switch controls a specific signal (Refer to the frequency table on the packaging for details).

3.Avoid using the jammer while charging.

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