Cell phone jammer electronic project - jammer cell phones no contract

800MHz/1800MHz Dual-Frequency Car Signal Booster
800MHz/1800MHz Dual-Frequency Car Signal Booster
Car Accessories Cell Phones  Signal Boosters/Amplifier/Repeater Car Booster  Vodasafe A23-CP Brief Description: The principle of “Car Booster” is that installing a transponder device in the car could receive the transmit signals of mobile users, The repeater could amplify up to 200mw, and then use a high-gain antenna to transmit to the Base Station. The antenna will synchronously receive and amplify the weak signal from Base Station, and then transmit to the Car mobile users, thus ensured us communicate smoothly.   Features: 1. Popular mobile phone bracket design, simple and practical 2. Dual system design, multi system selection 3. Service antenna built-in, easy to install 4. With USB external charging port, charging for the phone and other devices 5. High power output to ensure that the quality of the call in the car 6. Spend less battery power consumption than others while stand by or in   Applicable place:  For car, truck, bus, van or even boat;   Specification: UL Frequency Range: 824-849 MHz/1850-1910 MHz; DL Frequency Range: 869~894 MHz /1930~1990 MHz; Output Power: >23dBm(UL) / >10dBm(DL); Gain: 20±2dB(UL) / 25±2dB(DL); Ripple in Band: ≤4dB(CDMA) / ≤6dB(PCS); VSWR: ≤3 Power Supply: DC:+5V (Micro USB) RF Connector: SMA-Female Environment Conditions: IP40 Dimensions (D x W x H): 130×66×25 mm Color: Black   Package contents: 1pcs Car Booster  1pcs Fixed bracket 1pcs Car charging source  1pcs Donor Antenna  

cell phone jammer electronic project

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