Colour:Orange Yellow Material:PCB Dual antenna solution V5.0 (high-frequency/audio-frequency dual amplification + dual filtering), can only change the dual antenna solution, the modification is simple (one jumper), and the anti-interference ability is stronger. V5.0 upgrade content: 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 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. Package Contents: 2x Module 2x 2M Expansion Chip 2x 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.