RF Explorer - 433M Frequency band:430-440 MHz; Frequency span: 112 KHz-10 MHz Graphics LCD 128x64 pixels, great visibility outdoors Standard SMA 50 ohms connector, a matching antenna is included Amplitude resolution: 0.5dBm; Dynamic range: -115dBm to 0dBm Absolute Max input power: +5dBm; Average noise level (typical): -110dBm