Jammer phone blocker is installed - phone jammer price pfister

Jammer phone blocker is installed,phone jammer price pfister,1) Frequency range:   -Up link GSM 890-915 -Downlink GSM 825-960 2) Gain(dB) GSM Up link: 55 3) GSM downlink: 60 4) Gain adjustable range: GSM950/ 50Db~55Db 5) Output power(dBm): ≥27 / 30 6)...

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