1. Parameters of the pull rod version0.5--108mhz pocket size SI4732 radio, receiver, mini radio, pull rod antennaFeatures:1. Using for ESP32-S3 master control, 1.9-inch IPS high-definition color screen2. Using SI4732 DSP chip, supporting full-band broadcasting, LSB USB AM FM mode.3. Built-in 800mAh battery, battery life is about 10 hours or more.4. Equipped with 70cm portable pull rod antenna for reception.5. Shell petg 3D printing.Parameters:Master control: for ESP-32-S3Receiving frequency band: HF SW MW VHFScreen: 1.9inch, 170*320Charging interface: TYPE-C (fast charging is not available)Audio interface: 3.5mm three-band stereoBattery capacity: 800maBody size: 7.3*3.2*1.2Body weight: 54g.Frequency:1. FM: 64MHz-108MHz2. AM: 520kHz-1710kHz3. SW: 2.3MHz-26.1MHz4. LW: 153kHz-279kHzMode: FM/AM/LSB/USB (Note: does not support aviation band)Operation Guide:1. Double-click the knob on the main interface to enter the menu2. On the menu page, rotate the knob to switch menus and modes, and click again to "confirm"3. Rotate the knob on the main interface to switch frequency bands, and click again to "confirm"4. Since the body is very small and cannot prevent headphone amplifiers, the volume output is low after inserting headphones, which is normal. You can connect external speakers to achieve a higher volume.Shipping list:1 x MINI SI4732 radio1 x rod antenna2. Loop version parameters0.5--108mhz pocket size SI4732 radio, receiver, mini radio, loop antennaFeatures:1. Using for ESP32-S3 master control, 1.9-inch IPS high-definition color screen2. Using SI4732 DSP chip, supporting full-band broadcast, LSB USB AM FM mode.3. Built-in 800 mAh battery, battery life is about 10 hours or more.4. Equipped with 70cm portable rod antenna for reception.5. Shell petg 3D printing.Parameters:Master control: for ESP-32-S3Receiving frequency band: HF SW MW VHFScreen: 1.9inch, 170*320Charging interface: TYPE-C (fast charging is not available)Audio interface: 3.5mm three-band stereoBattery capacity: 800maBody size: 7.3*3.2*1.2Body weight: 54g.Frequency:1. FM: 64MHz-108MHz2. AM: 520kHz-1710kHz3. SW: 2.3MHz-26.1MHz4. LW: 153kHz-279kHzMode: FM/AM/LSB/USB (Note: does not support aviation band)Operation Guide:1. Double-click the knob on the main interface to enter the menu2. On the menu page, rotate the knob to switch menus and modes, and click again to "confirm"3. Rotate the knob on the main interface to switch frequency bands, and click again to "confirm"4. Since the body is very mini and cannot prevent the headphone amplifier, the volume output is low after inserting the headphones, which is normal. You can connect an external speaker to achieve a higher volume.Shipping List:1 x MINI SI4732 Radio1 x Loop Antenna