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.<br><br>Recommended Size Of The Circuit Board:At Least 0.2mm Smaller Than The Internal Size Of The Cavity. Pay Attention To The Chamfering Of The Circuit Board. Circuit Board Thickness:0.6mm To 2.5mm (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<br><br>Package Contents: 1 * Shell 1 * Box Cover 1Set * Screws<br><br>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.