Guide: How to block 2G/3G Vehicle Trackers with jammers?

Normally, 3G Vehicle Tracker is Connecting with Car Original Fuel Sensor!

In the following cases, you may want to block the Vehicle GPS Trackers temporarily!
1. Taxi operation management: want to take more distance to earn more money for your family!
2. Rent car management: do not want the car rental company to know your travel trajectory!
3. Vehicle insurance company management: get more free driving time and route, but do not affect your insurance!

At this moment, you want your vehicles or cars be not tracked completely!

Here we analyze the hardware configuration of these GPS TRACKERS.

GPS+GSM Base Station Dual Tracking
GSM Module: SIMCOM800
GPS Module: U-blox 7Q

SIMCOM800 U-blox 7Q
•Quad band850/900/1800/1900MHz
•GPRS multi-slot class 12/10
•GPRS mobile station class B
•Meet the GSM 2/2 + standard
– Class 4 (2 W @850/900MHz
– Class 1 (1 W @1800/1900MHz)
•FM:band limits 76~109MHz,Tuning step by step50KHz
•Dimensions:15.8*17.8*2.4 mm
•Via ATcommand control 3GPP TS 27.007, 27.005 and SIMCOM enhance ATcommand set)
Supply voltage range3.4~4.3v
•Low power
•Operating temperature range : -40 ~+85 °C

So most of the GPS locators use of GSM + GPS two signals to achieve positioning, when the GPS signal blocked only, GSM / GPRS can also achieve positioning!

So when you buy the GPS jammers, you have to determine what car gps tracker installed!

 GPSL1: 1500-1600MHz Frequency 1(America Market Frequency): GSM 850: 850-960MHz, GSM 1900: 1805-1990MHz, GPS L1: 1500-1600MHzFrequency 2(Europe Market Frequency): GSM 900: 925-960MHz, GSM 1800: 1805-1880MHz, GPS L1: 1500-1600MHz Antennas 1: GSM
Antennas 2: DCS
Antennas 3: CDMA (2110-2170MHz)
Antennas 4: GPS L1 (1500-1600MHz) 1. CDMA/GSM: 850 to 960MHz.
2. DCS/PCS: 1805 to 1990MHz.
3. 3G: 2110 to 2170MHz.
4. 4G(LTE): 725-770MHZ OR 790-825MHz.
5. 4G: 2345-2400MHZ OR 2620-2690MHZ.
6. GPS: 1570MHZ-1580MHZ. RF Frequency D:
CDMAGSM: 850 to 960MHz
DCS/PCS: 1805 to 1990MHz
3G: 2110 to 2170MHz
4G(LTE): 725-770MHz OR 790-862MHZ
4G: 2345-2400MHz OR 2620-2690MHZ
GPS: 1570-1580MHZ

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