It is easy to carry. 【 Wide Frequency Range】 The detection frequency range is from 1MHZ to 6.5GHZ, capable of detecting modern communications including GSM, 3G, 4G, 5G, Bluetooth and Wi-Fi 2.4G and 5.8G, 2 working modes: mute and siren sound, when the detector senses a signal, it will emit an alarm sound and the indicator light blinks to remind the user.
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