Hackrf one portapack h2 radio transceiver receive SDR software development kit

HackRF One R9 upgrade: MAX2837 replaced by MAX2839. Si5351C replaced by Si5351A with additional clock distribution. Added a series diode to the antenna port power supply.   New version 3.2 inch touch large screen portapack H2, with 2000mAh battery, with speaker socket,, with sound input and output function (ADC,DAC), click the big round button to turn on the power (press to turn on the power), double click the big round button to turn off the power (press two times in a row to turn off the power) using Apple or Android headset MIC can send voice, headset can listen to the sound. Comes with TCXO high-precision clock (0.5ppm), the frequency is as accurate as the walkie-talkie. New firmware automatically switch to external TCXO (in the menu you can see the clock source for external), with RTC clock function built-in CR1220 battery (save the baseband file to record the current time), support offline GPS simulation.  With its own TF card slot (can store data, playback data, frequency m