Features 1.Aluminum Alloy Body: The receiver body is small and light, aluminum alloy body and the larger OLED display reduce the difficulty of work. 2.Stereo Headphone Interface : A wireless receiver with a stereo headphone interface that supports an external headphone cable as an FM antenna. 3.FM Band Pass Filter: The wireless receiver has a built in FM band pass filter, which has better FM selectivity. 4.LNA Amplifier: This is a wireless receiver with a built in LNA amplifier with higher sensitivity. 5.Portable Receiver: This wireless receiver can be easily put into any pocket, handbag or glove box. Specification Item Type: Pocket Radio Receiver Material: Aluminum Alloy Model: Si-307 1. The receiver is based on the SI473X principle structure, and the function can be determined by the loaded software 2. Frequency Range: 300KHZ-108MHZ 3. Support Demodulation Analog Modulation: AM, LSB, USB, WFM, LW 4. BW Range: 0.5KHz/1KHz/1.2KHz/1.8KHz/2KHz/2.2KHz/2.5KHz/3KHz/4KHz/6KHz; 5. With a 1.3in OLED Display; 6. Adjustable BFO; 7. The operation mode includes an EC11 pulse encoder and 9 light touch buttons; 8. Powered by built in battery and USB, and has linear lithium battery charging management, which can be charged through TYPE C. Battery model: Lithium battery (Built in Battery Shipped) Battery Capacity: 2000 mAh 9. The built in LNA is used to increase the dynamic range of the receiver, which can be controlled by the switch on the left side of the fuselage. 10. Connect to the computer via USB to customize the function. 11. Adopt high quality sound cavity speakers; 12. SMA type antenna socket; 13. Long press the top knob "FRE Start" to turn on and off, tuning frequency setting, etc.; 14. Stereo headphone interface with FM antenna function; Battery Model: Lithium Battery Battery Capacity: 2000 mAh (Shipped with Built in Battery) Package List 1 x Wireless Receiver 1 x Antenna