This is a receiver with RTL2832U ADC chip, R820T2 tuner, 1PPM TCXO, SMA F connector and aluminum housing with passive cooling. Tuning range is 100 kHz to 1.7 GHz. (HF operates in direct sampling mode with some performance degradation). Works with free software like SDR, HDSDR, SDR-Radio, GQRX or SDR Touch on Android. Available for Windows, OSX, Linux, Android and. Ideal for beginners as it can receive both terrestrial and satellite signals. Easy to install outdoors and designed for portable and temporary outdoor use. Please do not use it outdoors when the weather is bad. Not suitable for high frequency reception. Factory batch may affect the appearance of the label, but does not affect the use Color: As shown in the picture Material: Metal + Plastic Package Contents: 1 x SMA Adapter 1 x Antenna Only the above package contents, other products are not included. NOTE: Light reflections and different monitors may cause the color of the item in the picture to differ slightly from the actual item. The measurement allowance is +/-1-3cm.