Feature: 1. APPLICABLE: Software defined radio is applicable to the research of wireless communication technology for wireless applications such as WiFi, LTE, and other wireless application systems. Sampling, filtering, synchronization, multiplexing. 2. 3.2 INCH LCD DISPLAY: Large 3.2 inch 240x320 RGB resolution LCD display with resistive touchscreen. Wear resistant function buttons with four way arrow buttons, 360 degree rotary buttons, and select buttons. 3. HIGH ACCURACY CLOCK: Software defined radio utilizes a high accuracy clock with a resolution of 0.1‑0.5 PPM. 1MHz to 6GHz operating band, 20MHz RF bandwidth, and 2‑20Msps sampling rate provide excellent performance. 4. SOUND INPUT AND OUTPUT FUNCTIONS: The built in microphone, built in speaker, and external speaker are designed to allow for sound input and output functions, with the built in speaker and external speaker switching automatically. 5. WIDE APPLICATION: Software defined radio is used in the direction of monitoring ships (AIS), automobiles (TPMS), E Utility Counter Transponder (ITRON ERT) and so on. Specification: Item Type: Software Defined Radio Kit Material: Acrylic, PCB, LCD Screen Size: 3.2 Inch TFT 240x320 Duplex Mode: Half Duplex Transceiver Operating Frequency Band: 1MHz to 6GHz Transmit Power: 5‑15 DBm (10‑2150MHz) 13‑15 DBm (2150‑2750 MHz) 0‑5 DBm (2750‑4000 MHz) 10‑0 DBm (4000‑6000 MHz) Received Power: -5 DBm Clock Accuracy: 0.1‑0.5 Ppm Speaker: Built in Sound Input: 3.5mm Power Connector: Micro USB Antenna Socket: SMA Other Interfaces: Memory Card Slot (Supports Up to 128GB, Shipped Without) Battery Type: 2000mAh Lithium Ion Battery (built‑in) Applicable Platforms: WiFi, LTE, etc.. Package List: 1 x Receiver1 x USB Cable1 x 40MH to 6GHz Telescopic Antenna1 x 8dBi 2.4/5/5.8GHz Antenna1 Set x 12dBi 700‑2700MHz Antenna (2 Pieces)1 x Storage Bag