This document presents internal photographs of the BetaFPV LiteRadio 4 SE, a radio transmitter, as part of its FCC compliance report. The images provide a detailed view of the device's internal components, including the main PCB, RF board, battery, and various integrated circuits. Key components visible in the photographs include the ESP32-DOWDQ6 microcontroller, APM32F103CBT6, CH9102X, and AT24C01C memory chip. The battery is identified as a 3.7V, 2000mAh lithium-ion pack.
The photographs also showcase the layout of the transmitter's internal circuitry, including the SRD antenna, BT/WiFi antenna, and button PCBs. Markings on the PCBs, such as "LR4 SE Main Board V1.0-IV" and "TX RF Board V1.0-II", are visible. The document serves as a visual record of the device's internal construction, aiding in verification of its compliance with regulatory standards.