Features:  Adopt a large LCD display of 3.2 inches, 240 x 320 RGB resolution with a resistive touching screen.  Wear-resistant functional buttons design, with four-way arrows buttons, a 360° rotation button, and select buttons.  The built-in microphone, built-in loudspeaker, and external loudspeaker design make it have sound input and output functions, and the built-in loudspeaker and external loudspeaker will switch automatically.  With a high-precise clock, the resolution is 0.1-0.5 PPM.  1MHz-6GHz working frequency band, 20MHz radio frequency bandwidth, and 2 Msps-20 Msps sampling rate can provide outstanding working performance.  Suitable for wireless communication technology research: ZigBee, WiFi, LTE, ADS-B, DVB, and other wireless application systems;  source/channel coding and decoding, modulation and demodulation, sampling, filtering, synchronization, multiplexing, spread spectrum, channel emulation port.  Information safety technology research: wireless communication attacks such as eavesdropping, coaxing, replay, identity impersonation, blocking, and other attacks; Wireless communication physical layer safety protections: RSSI and CSI-based keys generation, identity authentication, anti-interference mechanism.    Specifications:  Name: HackRF + Portapack H2 Plus Set  Material: printed circuit board  Battery: 1 * 3.7V, 1400mAh battery (included)  Duplex mode: half-duplex transceivers  Radio frequency bandwidth: 20M Hz  Sampling rate: 2 Msps-20 Msps  Power supply/transmission interface: USB2.0  Transmit power:  5-15dBm (10M Hz-2150M Hz)  13-15 dBm (2150-2750 M Hz)  0-5 dBm (2750-4000 M Hz)  -10-0dBm (4000-6000 M Hz)  Received power: -5dBm  Clock Accuracy: 0.1-0.5ppm  Working frequency band: 1M Hz-6GHz  Main chip:  Wireless RF Transceivers MAX2837 (2.3-2.7 GHz transceivers)  Mixer RFFC5072 (30M Hz-6GHz)  Processor LPC43xx ARM Cortex-M4  Complex Programmable Logic Device: CPLD CoolRunner-II  Package size: 210 * 135 * 60mm / 8.27 * 5.31 * 2.36in  Package weight: 470g / 1.04lb    Packing List:  1 * HackRF + Portapack H2 Plus + outcase  1 * USB Cable  1 * Antenna  1 * Bag