A version of the ELRS Receiver is available. It incorporates a temperature-compensated crystal oscillator to prevent frequency shifts caused by temperature variations, with telemetry power reaching up to 500mW. It significantly meets the reliability requirements for long-distance flights, aerial photography, or FPV freestyle maneuvers. Single-sided electronic components, saving assembly space, Aluminum heatsink plate to protect electronic components, and enhance anti-interference capability Newly upgraded Temperature Compensated Crystal Oscillator, lower packet loss, high frequency stability Pre-soldered SH1.0 connector (Plug&Play for easy installation with ) Up to power 500mW telemetry power, resulting in stronger telemetry signals and significantly reducing instances of telemetry loss. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Antenna Specifications: 70mm Colour:Black Material:PCB Package Contents: 1x Receiver 1x Antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.