1. The FPC board is equipped with a high-gain, low-noise high-frequency LNA, and no antenna amplifier is required. 2. Using the onboard IPEX interface, the board does not need to solder the feeder. 3. The HF bandpass filter is redesigned, and a pre-selection filter is added to effectively shield external interference. 4. Modification is simpler, only one jumper is required. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Colour:Orange Yellow Material:PCB Package Contents: 1x Module 2x Donut Antenna(with adapter) 1x Accessory Kit 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.