... wifi and 3g signal at the same time, but when you just want want to block the ... and effective, this portable signal jammer effectively disables any nearby WiFi and 3G networks, as well as ... (GSM, CDMA, DCS, PHS bands) without interrupting any other electronic devices. The highly portable size and one ... .A,5 stars.....3. Send quick quality merchandise ... Thanks But when you send to France it is important ...