The hand-held radio frequency counter is compact, truly pocket-sized, versatile test instrument designed for measuring any digital, on/off keying or analog signal on frequencies between 30 MHz and 2.8 GHz. Supplied as a complete with internal NiCd pack, AC wall charger and 7 section telescopic antenna. Impedance: 50 Ohms (BNC Socket) VSWR less than 2:1 Frequency range: 30 MHz - 2.8 GHz Sensitivity: less than 5 mV Max. input: 15 dBm Resolution: 10 KHz for digital signals or On/Off Keying & 1 KHz for Analog Signals Timebase: Less than 1 PPM at room temperature Weight: 210 g Size: 80 mm high x 68 mm wide x 31 mm deep Case: Stamped aluminum with black anodized finish Battery: Internal 4 x AA 600 mAH NiCd pack Power: 9 VDC 300 mA