Globe Telecom recently uncovered and resolved 8 cases of illegal use of repeaters or signal boosters as the company continues to step up its campaign to address signal interference. Globe said that these illegal repeaters were found and confiscated in Marulas, Valenzuela City, Caloocan City, Quezon City, Tuguegarao City, Davao City and 2 sites in Makati City. The use signal booster without any NTC license causes network interference that result in mobile phone subscribers to experience dropped calls, garbled lines, and weak signal. He emphasized the company’s campaign against signal interference is in support of the company’s recent network modernization program intended to provide a robust and reliable network for voice, text and data services.