What is a jammer | 850MHz Full Band Booster 20dBm Best Cell Phone Signal Booster

850MHz Full Band Booster 20dBm Best Cell Phone Signal Booster

Mobile Signal Repeater Booster GSM850MHz 3G UMTS WCDMA Full Band Cellphone Signal Repeater  850MHz FullBand Signal Booster TE820   Brief Description： 850MHz Pico-Repeater is intended to strengthen the signal of 850MHz mobile phone in the buildings. Ideal for use in areas where the 850MHz signal 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: *High system gains. *Full duplex and double-end design, external power supply, and convenient installation. *ALC technology with auto-steady function adopted. *Provide power indication and uplink and downlink indications. *With the amplified linear power, the intermodulation an spuriousness are suppressed effectively. *The reliability conforms to GB6993-86 standards. *The electromagnetic compatibility conforms to ETS300 609-4 standards.   Applicable place: Specification: Frequency Range： Up-link:824－849MHz;Down-link:869－894MHz; TE820 Gain (dB):Up-link:Gp≥60dB; Down-link:Gp≥65dB; Power Output (PO):20 dB; Frequency Range: Up-link:824-849MHz;Down-link:869－894MHz; Gain(dB): Up-link:Gp≥65dB;Down-link:Gp≥70dB; Power Output (Po): 20 dBm; Pass band ripple: ≤5dB Out of band rejection:(BW-60dB) ≤42MHz;(BW-70dB)≤45MHz; I/O impedance: 50Ω/N connector; I/O return loss: ≤-8dB; Noise figure: ≤8dB; Inter modulation Attenuation (Po=13dBm): ≤-40dBm; Transmission Delay: ≤0.5μs; Ambient temperature: -10℃-50℃; Power supply: AC110-220V±10%/45～55Hz; Dimension:152mm×106mm×33mm; Compliance Standard: To the GB6993-86 standard; Electromagnetic compatibility:To the ETS300 694-4 standard; Function： a) Power supply LED b) Power Output LED Package contents: 1 pcs booster 1 set power supply 1pcs user manual 1 set installation screws  

what is a jammer

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