Cell phone jammer app - hidden cellphone jammer pro

Cell phone jammer app - hidden cellphone jammer pro
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  • Product Name: RF Amplifier / Cell Phone Signal Repeater Output Power: 30-43dBm Gain: ≥ 90dB ALC/AGC: Supported Dimensions: 690mm* 420mm*260mm Weight: ≤45kg Dual-Band GSM900 / WCDMA2100 RF Amplifier , Cell Phone Signal Repeater   Model: VR-4390-GW   Product Instructions:           The GSM&WCDMA Dual-Band RF Repeater is designed to provide a more cost-effective solution than adding a new Base Transceiver Station (BTS) to improve signal coverage and communication quality in GSM900&WCDMA2100 system. And its easy installation and maintenance can help carrier get fast return.         The repeater is working as a relay between the BTS and mobiles. It receives the low-power signal from BTS via the Donor Antenna, linearly amplifies the signal and then retransmits it via the Coverage Antenna to the weak/blind coverage area. And the mobile signal is also amplified and retransmitted to the BTS via the opposite direction.   Product Features:   Band-Selective RF Repeater: to amplify all signals in the whole band (bandwidth is customized); Aluminum-alloy casing with IP65 protection has high resistance to dust, water and corroding; Highly selective channel selector can process 12 channels simultaneously; No interference to BTS by adopting linear amplifier with high gain and low noise; Adopting filter with highly selectivity and low insertion loss eliminates interference between uplink and downlink; RS-232 port provides a link to a notebook for local supervision or to the built-in wireless modem to communicate with the NMS (Network Management System) that can remotely supervise repeater's working status and download operational parameters to the repeater. Applications:   To expand signal coverage or fill signal blind area where GSM and WCDMA signal is weak or unavailable. Outdoor: Airports, tourism regions, golf courses, tunnels, factories, mining districts, villages, Indoor: Hotels, exhibition centers, basements, shopping malls, offices, parking lots, etc. Technical Specifications:   Items Specifications Frequency Uplink Downlink 890~915&1920~1980MHz (Customized) 935~960&2110~2170MHz (Customized) Output power 30-43dBm Gain ≥ 90dB ALC/AGC Supported Gain control range 30 dB/1 dB step Ripple in band ≤ 3.0dB Noise figure ≤ 5.0dB VSWR ≤ 1.5:1 Transmission delay ≤ 5μS Out band rejection F(edge)±400KHz≥20dBc F(edge)±600KHz≥30dBc F(edge)±1MHz≥40dBc F(edge)±5MHz≥50dBc Spurious emission ≤-36dBm/9KHz-1GHz ≤ -30dBm/1GHz-12.75GHz Intermodulation ≤ -37dBc Max. non-destructive input powe -10dBm Impedance 50 W Operating temperature range -25 ºC to +55 ºC Relative humidity 0 ~ 95% Applications IP65 Monitoring and control RS232 (local) GSM wireless modem (remote) Dimensions 690mm* 420mm*260mm; Weight ≤45kg Power supply AC220V ±20%, 50Hz ±10% Power consumption rating ≤300W RF Connectors type N female Mounting Wall or pole

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