Upgrades of for HackRF One R9: MAX2837 is replaced by MAX2839. Si5351C is replaced by Si5351A with additional clock distribution. A series diode is added to the antenna port power supply. HackRF One HackRF One is a Software Defined Radio peripheral capable of mission or reception of radio signals from 1 MHz to 6 GHz. Designed to enable test and development of modern and next generation radio technologies, HackRF One is an open source hardware platform that can be used as a USB peripheral or programmed for stand-alone operation. Attention: 1. the latest firmware is supported, and the current firmware is Mayhem firmware v1.7.0 by default. 2. for certain functionality, like the world map, GPS simulator, and others, you need to prepare a PortaPack H2 and a FAT32 formatted Micro-SD card over 1G. for HackRF One Specifications: 1 MHz to 6 GHz operating frequency Half-duplex ceiver Up to 20 million samples per second 8-bit quadrature samples (8-bit I and 8-bit Q) For GNU Radio, SDR#, and the like Software-configurable RX and TX gain and baseband filter Software-controlled antenna port power (50 mA at 3.3 V) SMA female antenna connector SMA female clock input and output for synchronization Convenient buttons for programming Internal pin headers for expansion Hi-Speed USB 2.0 USB-powered Open source hardware for HackRF One 1 MHz to 6 GHz SDR platform software defined radio development board Note: Portapack H2 is not included. Material: Metal+Plastic colour: black Package Contents: 1 x 20DB 50MHz-6GHz LNA 1 x SMA male-male cable 1 x LG USB cable 1 x 5DBi 40MHz-860MHz antenna 1 x TCXO module 1 x 8DBi 2.4G/5/5.8GHz antenna 1 x 40MHz-6GHz telescopic antenna 1 x 12DBi 700MHz-2700MHz antenna 1 x 35DBi 700MHz-2700MHz antenna 1 x for HackRF One + shell Only the above p