Features: 1. Microwave Shielding Box, DIE-Cast Aluminum Box C 2. NC Processing/Shielding Box 3. Low Noise Amplifier Box/Amplifier Case/Power Amplifier Case 4. Professional RF Design/SMA Connector 5. Shielded Aluminum Box/Radio Frequency Aluminum Box/Radio Frequency/Shielding Shell. Description: Recommended Size Of Circuit Board: 55mmx30mmx5mm Circuit Board Thickness: 0.6mm (Suitable For Low-Noise Amplifier Boards) Connector Model: SMA-KFD46 Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Material: Aluminum alloy colour: titanium color Package Contents: 1 x Shell 1 x Box Cover 1 Set Screws 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.