1. Built-in 1200mAh lithium battery can provide stable and sustainable power for the product. 2. The audio output supports 3.5mm earphones, and also supports 8 ohm speakers with 1W output. 3. With 22 pre-configured ham and commercial radio frequency bands, you can use them freely. 4. The frequency step can be changed between 1, 5 and 10KHz, and you can change it according to different needs. 5. The antenna interface adopts BNC, and the PCB retains the Si4735 package, the chip can be replaced by oneself, and the software is compatible. 6. Material: Aluminum alloy + metal 7. Audio bandwidth filter: 0.5, 1, 1.2, 2.2, 3, 4Khz 8. Frequency step switching: 1, 5, 10KHz
