Features: 1. L830- for Version 4G Module 2. Support 4G, 3G/4G, China Mobile 2G 3. L830- Compatible Computers ( Computers) 4. High Quality For Professional Use 5. Need A Professional To Install The Corresponding Accessories To Avoid Damage To The Accessories Description: 1.Dimension:ABOUT 42.00x30.00x2.30mm 2.LTE FDD:B1/B3/B5/B7/B8/B20/B28 3.WCDMA:B1/B5/B8 4.Power Supply-3.135V~4.4V(Typical 3.3V) 5.Operating Temp:-30C~+65C 6.Interface: SIM(1.8V/3.0V): x 1; USB2.0 x 1;GPIO x 1;12S x 1;12C x 1;BodySar x 1; 7.LTE FDD(MbpS):300(DL)/50(UL) (Cat6) 8.UMTS(kbps):384(DL)/384(UL) 9.DC-HSPA+ (Mbps):42(DL)/5.76(UL) 10.OS Driver:Win 10/Linux 11.GNSS:GPS/GLONASS Material: PCB Color: as shown Package Contents: 1 x 4G Module 1 Set Of Screw Mounting Accessories Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use 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.