Jammer u11 sprint phones - jammer u11 vs yankees

Jammer u11 sprint phones,jammer u11 vs yankees,Single Booster Speciation: 1) Frequency range: a) Up link: GSM 890~915/DCS 1710~1785(MHZ); b) Downlink: GSM 935~960/DCS 1805~1880(MHZ) 2) Gain(db): GSM/DCS; 50/45 3) Coverage: 500~800m2 4) Output...