Micro-type SIM card is a waterproof micro-type SIM to micro-type SIM extension cable. It uses a push-push micro-type SIM slot, making it easy to install and remove the micro-type SIM. It can be used both outdoors and indoors for NB- IOT, 4G/LTE and 5G applications. SIM Cards Extender M20 IP67 Waterproof micro-type SIM to Nano SIM for Cabinet Chassis Case Frame Envelope Outdoor using. Part No.:PCM-KW-396 Shape:Circular, Pass-through Cable length:30CM Shell Diameter:22mm Panel Cut-Out Size:23mm Waterproof Grade:IP67 Application: 1. Outdoor telecom equipment 2. Outdoor 5G gateway 3. Outdoor LTE gateway 4. NBIoT 5. IoT Due to different product batches, the appearance may vary, which does not affect the use. Colour:As Shown Material:Plastic+Aluminum Alloy Package Contents: 4 x micro-type SIM extension cable 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.