Interface: USB 2.0 Signal: 75 Ohm Digital TV Antenna Input Receive Frequency: DVB-T: 474 - 858 MHz(UHF) Punctured Codes: 1 or 2, 2 or 3, 3 or 4 4 or 5, 5 or 6 and 7 or 8 Guard interval: 1 or 4,1 or 8, 1 or 16 or 1 or 3 Bandwidth: 6 or 7 or 8 MHz COFDM Mode: 2K, 8K System Requirement: 1. Android 4.0.3 - 5.1.1: Android device with a dual-core CPU, Android device need support USB OTG, DTT or Freeview or DVB-T Coverage 2. SDTV: A8 800MHz CPU or above, 512MB RAM or above 20MB flash memory, Display resolution 800x480 at least 3. HDTV: A8 1.2G or above for HDTV, 512MB RAM or above for HDTV, Hardware 264 decoding acceleration, Display resolution 1024x600 at least, Digital Terrestrial Broadcasting Signal, UHF or VHF Antenna for DVB-T Terrestrial TV colour: black-silver Material: ABSandMetal Size: 27x18x7mm Package Contents: 1 x DVB-T Tuner 1 x Antenna Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.