X108G Outdoor the best HF transceiver covering 0.5MHz to 30 MHz Upgrade version ! Host +Handle +2.3khz filter +500Hz CW filter +0.5ppm TCXO Included in the package are the radio, hand PTT Mic with keypad, DC connector, USB Cable Low noise, single-conversion superheterodyne receiver. Double-balanced diode mixers provide excellent dynamic range Receiving sensitivity: 0.25uV (preamplifier open,&gt; 1.8MHz band). Narrow double-tuned band-pass filter covering the realization of all amateur bands (WARC bands). Built NC APC circuit, the transmission power constant, high control accuracy. Standard 0.5ppm TCXO circuit of high-quality clock source. Narrowband standard 500Hz CW filter. Machine design parameters