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. Recommended Size Of The Circuit Board:At Least zero Smaller Than The Internal Size Of The Cavity. Pay Attention To The Chamfering Of The Circuit Board. Circuit Board Thickness:0 To 2 (All Are Acceptable) Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:As Shown Material:Aluminum alloy Size:Overall Dimensions(Excluding Connectors):60mmx30mmx25mm; Cavity Size(Mainly PCB Version):54mmx24mmx20mm Package Contents: 1 * Shell 1 * Box Cover 1Set * Screws Only the above equipment content, different item usually are not included. Note: Light mirrored image and various reveals may cause the colour of the article within the photograph slightly varied from the genuine thing. The size allowed error is +/- 1-3cm.