1. Compatible with any PAL or NTSC camera.2. No-yaw digital phase-locked loop.3. Supports IRC protocol.4. Input voltage range:7-36V.5. Supports 16 frequency channels (16CH).Supports 20x20mm mounting holes with M2 screws.Four adjustable power levels: 25mW/400mW/1000mW/2500mW.MMCX antenna interface.Dimensions: 53.5 x 27.8 x 11.6mm.Weight: 23.96g.Wiring Table and Usage Notes:1. sufficient space around the module during installation to allow for airflow and proper heat dissipation. If the module overheats, it may activate thermal protection, reducing or even disabling power transmission.2. Before connecting power, verify that the voltage range is correct and the polarity is accurate to avoid damaging components.3. Confirm that the RF output port has an antenna installed before powering on to extend the module's lifespan.Note:Due to different production batches, the printed words may be different, which not affect the use.Colour:As ShownMaterial:Aluminum PCPackage Contents:1 * 3.3G VTX1 * antennaOnly 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.