Trendware Usa TEW-T1 Wifi Detector 2.4 Ghz 802.11B/G Microwave Led Trendnet Compatibility: 2400 ?2480 MHz , IEEE 802.11b/g LED Indicators: Signal Strength, Signal Source, Power, Battery Antenna Direction: 3 dBi Outward Directional from back of the detector Receiver Sensitivity: Power Consumption: Signal Detected ?28 mA/sec ; Mute Signal Detected ?20 mA/sec ; Scanning ?10 mA/sec