Effective navigation via GPS includes subject to GPS blocker jamming
Since its inception, GPS has attracted many GPS users with its high precision, all-weather, global coverage, convenience and flexibility,but subject to GPS jammers blocker jamming. GPS is not only the patron saint of automobiles, but also the wisdom of logistics industry management. With the rapid development of the logistics industry, GPS has played a pivotal role and has become the second largest consumer group after the automobile market. GPS was developed by the United States in the 1970s. It took 20 years and cost 20 billion US dollars. It was fully completed in 1994.
The host consists of frequency converter, signal channel, microprocessor, memory and display. The main task of the frequency converter is to convert the received L-band RF signal into a low-frequency signal. The signal channel is a circuit combining hardware and software, and it is the core part of the receiver. Its function is to search, pull and track satellites, despread and demodulate the broadcast message signal into a broadcast message, perform pseudorange measurement, carrier phase measurement and other functions. Puller frequency shift measurement. The memory is used to store the satellite ephemeris, satellite almanac, code phase pseudorange observations collected by the receiver, carrier phase observations and Doppler frequency shift once an hour.
New Portable Hidden 4 Antennas Mini GPS/GSM Jammer
4 Bands 1.2W with Ni-Mh battery 2000Mah, Working around 1.5 Hours Support use while battery charging.Shielding radius: (1-10) meters at -75dBm with omni hidden antennas.Could be used in car directly with USB charge cable.Pocket design look like the mobile phone power bank.
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JAX-101C Cell Phone Jammer GSM 3G 4G GPS 5.8G WiFi Adjustable
Although this type of jammer looks a little bulky, But It can effectively jamming 2G 3G 4G cell phone signals.18W power , jamming range up to 40 meters . Is a very cost-effective jamming device. Designed for the latest 5.8G signal, it can effectively block 5G mobile phone signals.
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EO-10 Military Cell Phone GPS WiFi Lojack 433/315/868MHz Jammer
As the newest military-grade product, the advantages of this jammer are obvious. It has the characteristics of large jamming range and multiple jamming frequencies bands.
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