Ujjdwiurgh Transimpedance Amplifier Built-in Loop Antenna 10kHz-180MHz Donut Design 600 Mah Battery for Radio Walkie Talkie

3. Miniaturized design: The low-impedance converter is designed to be more compact and portable. 1. Low Output Impedance: Designed to provide extremely low output impedance to effectively drive loads with low input impedance, reducing signal attenuation and distortion. 2. Built-in Battery: Equipped with a 600mAh Li-Ion battery that provides approximately 20 hours of continuous use on a full charge. 4. Upgraded interface: Adopting Type-C charging interface, which is more convenient to use. 5. Strong compatibility: Support 10k-180MHz frequency range, suitable for a variety of application scenarios.