1. Using IRF series transmitting tube 2. Can be used to connect to an antenna (instrument base) 3. Aluminum laser shell marking, all aluminum buttons, with translucent silicone buttons 4. The qcx circuit is greatly simplified, and the installed components are reduced by 50%. No complicated transformer windings. No wiring procedures. The most cost-effective and easy to construct<br><br>Eer e-level drives the ssb transmitting stage 13.8v power supply about 10w ssb pep output Support full modes: usb, lsb, cw, am and fm- Filter: 4000, 2500, 1700, 500, 200, 100, 50hz passband function: automatic gain control (agc), noise reduction (), voice trigger, voice trigger xmit, attenuator rx (att), tx noise gate, tx drive control, volume control, and dbm/s-meter Ssb reverse sideband/carrier suppression transmission: -45dbc, imd3 (dual tone) -33dbc; reception: -50dbc Support multi-band. Continuously adjustable in the 160m-10m frequency range (loss of 20khz performance)..99mhz Interface Introduction: Charging: Built-in lithium battery charging port, only use the included charger! It is forbidden to use chargers by other producers DC13.8v/3a: External power interface Key: Automatic key body connection (a, b, single key) Pa: external power amplifier, ptt signal Mic: External microphone interface Uart: Serial communication (-480 compatible ) Spk: external speakers Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Voltage:AC220V Color: Black Material: Aluminum + Silicone<br><br>Package Contents: 1 * Main unit 1 * Hand microphone 1 * Euro power supply<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.