Noted:the model not for all the world ,you should kindly check it before shopping ,because different country have different format Description: It has revolutionized the world of USB SDR ADS-B/Mode-S Receivers with the Stick, high-performance USB R2832U software defined radios (SDR) with a built-in RF amp for maximum ADS-B/Mode-S performance. The Stick adds a built-in 1090 MHz bandpass filter for increased performance and range of reception in areas with moderate RF noise as is typically experienced in most urban areas. Features: Higher Performance for ADS-B and Mode-S: Increases range 10-20% over Pro Stick when filtering is beneficial A 1090MHz bandpass filter (whether built-in or a separate external part) is generally recommended for users in urban environments or with known high power radio transmitters nearby such as cell phone towers. Filtering is generally not recommended for users in rural environments. Filtering benefits may vary and are dependent on the installation location. Adds Built-in 1090MHz filter with R2832U SDR and RF Amplifier (USB powered) Native SMA connector yields reduced loss due to antenna cabling/adapters Easier to Setup: SMA F connector for easy connectivity to high-performance antenna No MCX adapters required No external amplifier required Specifications: Amplifier: 19dB with 0.4dB noise figure and OIP3 +39dB Frequency:0.1Mhz-1.7Ghz TCXO TCXO: 1-2 ppm Filter: 1075 MHz to 1105 MHz pass band color: blue material: metal Package Contents: 2 x ADS-B Receiver