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  • o2_371gz@gmail.com
    • 2019-07-21
    • 1

    2019/07/22

    Multifunctional Tri-Band GSM900 DCS1800 WCDMA2100 Cell Phone Signal Booster Amplifier Repeater Cell phone jammer electronic circuit | cell phone jammer circuit using arduino

    Product Description Designed for use in larger office buildings, warehouses or manufacturing facilities with signal shadowed environments, this Multifunctional Tri-Band GSM900 DCS1800 WCDMA2100 Cell Phone Signal Booster Amplifier Repeater offers 50dB GSM/DCS/WCDMA (890~915MHz / 1710-1785MHz / 1920-1990MHz) and 200 square meters coverage area. With it, you’ll experience fewer dropped calls, faster data rates, and clearer reception. This Cell Phone Signal Booster device is featured with easy installation & operation, build-in indoor antenna and no interference. It could also improve indoor electromagnetism environments, protract cellular battery life and reduce radiation of cell phones, followed the replacement of GSM 900, GSM 1800, and WCDMA 2100 network. Tri-Band GSM900 DCS1800 WCDMA2100 Cell Phone Signal Booster comes with everything you need to boost coverage in your area! This product is simple to install, comes with 100% free technical support. What are you thinking about? Catching it and have it now! Specification Frequency range: --Up Link :890~915MHz/1710-1785MHz/1920-1990MHz --Downlink: 935~960MHz/1805-1880MHz/2110-2180MHz Gain ( dB):Uplink Gp≥50 Downlink Gp≥55 Export power (Po):≥+17dBm Pass band ripple:≤3dB I/O impedance: 50Ω/N connector Noise figure:≤4dB Transmission Delay:≤0.5μs Ambient temperature:-10℃~60℃ Power supply:AC110~220V 45~55Hz Size: 220 x 180 x 20 mm Reliability: To the GB6993-86 standard Electromagnetic compatibility: To the ETS300 694-4 standard Function: --a) Power supply LED denote --b) Export power LED denote Coverage area: Up to 200M2 Note:Please be clear about which frequency you want to boost. You must check your local Mobile Frequency range and choose the booster as per your required Frequency. Please check your country’s Mobile Frequency here. http://worldtimezone.net/gsm.html

    cell phone jammer electronic circuit

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