CSR/PRO 6105 is Professional Radio Frequency (bug) Detector and locator. The broadband receiver is designed to detect and locate all major types of electronic surveillance devices including: Room Transmitters Telephone Transmitters Body Bugs Video Transmitters Broadband receivers such as the CSR/PRO 6105 provide a very important cost-effective tool for professional sweep teams, government security personal, and private citizens with important security needs. The CSR/PRO 6105 is very effective for rapidly detecting and locating transmitted signals, while being very easy to learn to use. The unit includes a custom case that contains all items necessary to conduct a professional sweep. The CSR/PRO 6105 includes both monitor and detection modes. The CSR/PRO 6105 indicates RF strength signal and demodulates the receiving signal using both AM & FM signal processing. Includes: CSR/PRO, Hard Shell Case, Low Frequency Antenna, High Frequency Antenna, Infrared/Carrier Current Probe, Phone Line injection unit, Stereo Headphones and Instructions. Technical Specifications: Frequency Ranges VLF Band 20-400 KHz RF Band 400 KHz – 8 GHz Probes VLF Probe Frequency Response 20-400 KHz Sensitivity -35 dBm RF Probes Frequency Response 400KHz – 3 GHz / 1.5 – 8 GHz Gain 40 dB Center Range Sensitivity -50 dBm Audio Amplifier Frequency Response 50 Hz – 16 KHz Dynamic Range 80 dB Headphone Output 5Vp-p Display LCD 2 x 16 Characters Alert Output Variable Tone Battery 8 x AA Alkaline – Life 10-16 Hr Low Battery Indicator 30% remaining power AC Charger (Option) Input 90-260VAC Output 12VDC with 600ma Charging Size 205 x 185 x 56 mm