This is iProtect RF Wireless Signal Detector - DD12031UPGRADED TO 8GHz- This product is the right fit for both the professional and novice user looking to remove or disable unwanted surveillance threats. The DD12031 uses a built in antenna, increased bar graph indicator, and vibration alerts to indicate the existence of any nearby surveillance threats. Equipped with a short range antenna, the device performs better than most detectors in populated environments with high sensitivity to real signals without being affected by weak background radio waves. Visit our website simplyhomesounds to 'Make Offer'. New and Improved to Detect up to 8GHz: So Much Range for Such Small Portable and Covert sweeping device!Increased 16-segment indicator of RF levelPhysical Attenuator -20 dBHighly sensitive to real signals without being affected by background radio wavesNo sensitivity loss at battery dischargeIncreased sensitivity to high-frequency signalsOne joystick-style control for all functions (attenuator on/off; vibration on/off; power on/off)Low power indicationDetects both analogue and digital transmissionsDetects modern communications, including GSM, 3G, 4G (LTE), Bluetooth, and Wi-FiAllows the operator to locate the source Vibrating signal for concealed indication of a high RF levelHigh-quality detection scheme with professional RF isolationReliable and tested device for different sweeping tasksAdjustable sensitivityFrequency range 50MHz-8GHzDurable duralumin casePowered by 2 AAA batteriesBattery resource up to 10 hours ApplicationsSearching for active radio transmitting surveillance devices (or RF bugging devices) in premises, vehicles and itemsRoom, body-carried, telephone and car bugging devices can also be found by the deviceDiscovering the improper use of mobile phones and other communication equipment for picking up conversations. The information in this case can be transmitted to another phone or recorded onto an answering machine. Detection of GSM bugs, 'spy' mobile phones and mobile phones in an active state (for illegal transmission of conversations)Detection of harmful emissions from GSM-jammers or mini recorder suppressorsDetection of harmful emissions from microwave ovens, communication antennas and other electronic appliancesAttenuator: -20dBControls: Joystick style Attenuator on/off; Vibration on/off; Power on/offDimensions: 125x62x17 mmIndicator: 16-segment bar graphIndicator: VibrationIndicator: Battery State (3 colors)Battery Resource: up to 10 hoursPower: 2 x AAA batteriesFrequency: 50MHz to 8GHzIncluded with this item2 AAA batteriesManualAntennaScrewdriverDetector