Handheld WalkieTalkie Full Band SDR Ham Radio Power Transceiver Item Type: Handheld Walkie-TalkieMaterial: Aluminum alloy Frequency Range: Receiving: 1.8M---30MHz Transmission: All HAM HF bands Working Mode: SSB (J3E), CW (A1A), AM (A3E), FM Minimum Frequency Step: 1Hz Antenna Impedance: 50Ω Working Temperature Range: -10℃---+60℃ Frequency Stability: ±1.5ppm at 5 minutes after booting, -10℃~+60℃ (standard configuration) Working Current: Receiving: 410mA------440mA (maximum display brightness), about 3-5MA after shutdown Transmission: 3.5A (FULL) 1.5A (5W) Transmitting Frequency Band: 80, 60, 40, 30, 20, 17, 15, 12 and 10 meter amateur band Transmitting Power: 10W nominal, 15W for individual bands (at 13.8V, FULL) Modulation Mode: SSB software balanced modulation AM software low level modulation Spurious Suppression: ≥40dBc Carrier Suppression: ≥45dBc Selectivity: SSB2.3KHz (-6db) CW500Hz(-6db) Receiving Sensitivity: 0.11uV—0.89uV (RFC50—20) Receiving Frequency Band: 3.5-30MHz (nominal), the widest continuous coverage 0.8-30 MHz Dynamic Range: Better than 95dB RIT Frequency Fine-tuning Range: ±1kHz Audio Output: 0.5W at 8Ω Battery Model: Lithium battery Battery Capacity: 3800 mAh How e: 1. Take out the product and read the user manual carefully; 2. Make sure to connect all the accessories well; 3. After confirming that all accessories are connected. It can be used after booting; 4. If you can't turn on the phone, please charge it before use; 5. After using up, press the shutdown button to shut down;