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    Blocking a number on cell phone - how to block my cell phone from telemarketers
    Blocking a number on cell phone - how to block my cell phone from telemarketers

    Dual Band Signal Amplifier for GSM850 1900MHz Cellphone Signal Booster GSM850&PCS1900MHz Dual Band Signal Booster TE-8019B Brief Description: GSM/PCS Dual band Signal Booster TE8019B is intended to strengthen  The signal of  850MHz/1900MHz mobile phone in the buildings. Ideal for use in areas where the 850MHz/1900MHzsignal is weak to cause Call dropout or Cant connection.The device improves the voice calls and data VOICE GPRS and EDGE (depends of the signal operator).   Features: * Provide quick coverage solution for small signal weak & block zones. reduce drop/off calls. * Compact size, low consumption, easy installation, great cover. * Cover about 200-300 square meters without block or obstruct. * Reduce cellphone transimt power and radiation, extend cellphone battery life. *  High linear design, low interference to BTS. *  Manual Gain Control function. *  Tri-band in one repeater, effectively reduce the project cost.   Applicable place: It can be applied in Building rooms there have weak signal of mobile.   Specification: Frequency Range: Uplink: GSM:824-849/PCS:1850-1910MHz; Downlink: GSM: 869-894/PCS:1930-1990MHz; TE8019B gain(dB): GSM Uplink:Gp≥65;GSM Downlink:Gp≥70;PCS Uplink: Gp≥65;    PCS Downlink: Gp≥70; Output power(dBm):≥23; Gain adjustable range: MGC≥30dB; Pass band ripple: GSM≤4dB; PCS≤15dB; Guard band rejection: GSM(BW-60dB)≤42MHz; (BW-70dB)≤45MHz; PCS(BW-60dB)≤104MHz; (BW-70dB)≤107 MHz; I/O Impedance: 50Ω/N Connector; I/O return loss: ≤-10dB; Noise Figure: ≤-8dB; Inter-modulation attenuation(Po=13dBm):≤-40dBm; Transmission Delay: ≤0.5μs; Ambient Temperature: -10℃-50℃; Power Supply: AC110-220V±10%/45-55Hz; Size: 148mm×106mm×33mm; 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 Package contents: 1pcs  AC90-264V,DC5/5A power supply adapter; 1pcs  AC power cord (EU standard/US standard/UK standard/ SA standard/China standard etc); 1pcs  Installation kit; 1pcs  User manual;  

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