Detects Bluetooth, Wi-Fi, DECT, GSM, and RF * Weight 1.00 - Unit Size 2.75 x 4.75 x .75 * Box Size 7 x 5 x 1.50 * Operation up to 20 hours - Power 2xAAA * Frequency range, Antenna #1: 40MHz - 4Ghz. Antenna # 2: 2.44 GHz