8 Tracks Covering 80m/60m/40m/30m/20m/17m/15m/10m. Excellent Pcb Layout Line With High-Frequency Circuit Design Principles To Excellent Performance. Whether Using The Built-In Battery Or An External 13.8v Power Supply, It Can Reach 8 Levels Of 3-5w Power, And The Necessary To-220 Pack Pad Is Reserved For Upgrades. High Emission Efficiency, The 80m/60m/40m/30m/20m Efficiency Is 80%, The 17m Efficiency Is 70%, And The 15m/10m Efficiency Is 60%. Frequency Accuracy Is 1ppm, And Frequency Stability Is 0.5ppm. ; Super Small Size: 88x39x124mm (Excluding Protruding Parts). Rich Interfaces (Cat, Ptt Out, Mic/Key, K- Mic). All Lpf Parts Use 100v C0g/Np0 Capacitors. Use for Magnetic Locking Relays. Use A Lower Specific Noise Op Amp Chip. Built-In Speaker With Cavity. Bnc Antenna Interface. Description: 1. Supports All Modes: Usb, Lsb, Cw, Am, Fm (Ssb Mode Has Good Reception Effect, But Poor mission Effect. Am And Fm Modes Are Free And Have Poor Effect) 2. Filter Filter: 4000, 2500, 1700, 500, 200, 100, 50hz Passband 3. Function Functions: Automatic Gain Control (Agc), Noise Reduction (), Xmit Voice Trigger (), Rx Attenuator (Att), Tx Noise Gate, Tx Unit Control, Volume Control, Dbm/S Meter. 4. Sidebar/Carrier Suppression Ssssb mit: -45dbc, Imd3 (Dual Tone) -33dbc, Receive: -50dbc 5. Support Multi-Band Support, Continuously Adjustable 10m Within The 80m Frequency Range (From 20khz..99mhz, Loss Performance) 6. Open Source Firmware, Built Using for Ide; Allows Experimentation, Features Can Be Added, Contributions Can Be Shared Through 7. Software Vovox Code Can Be Used For Fast Full Control (Qsk And Half Qsk Operation) Or Rx/Auxiliary Switch Tx In Digital Mode (No Cat Or Ptt Interface Required), Using 8.Fully Digital And Software Based Ssb Level mitter With External Control Of Ptt/Pa Output: Control Phase Of Sill Si5351 (Via Small Frequency Changes I2c At 800kbits/S) And Amplitude O