1. Compatible Laptops: This card has high performance, provides high speed, is fit for Latitude 3550, 5350, 5450, 5500, 7030, 7350, 7450, 7650, and fit for 3591, 3490, 3590 laptops
2. Frequency Bands: This card module supports LTE FDD, LTE TDD, UMTS/+ frequency bands, multiple standards, and meets various switching requirements
3. Networking Speed: Featuring concise LTE Cat12 networking experience with a download speed of 600Mbps and an upload speed of 50Mbps, providing a high performance, low latency
4. Multiple Functions: This wireless card adopts M.2 interface, supports 2x2MIMO, supports 3CA combination and 2CA combination; Support eSIM to meet users rapid commercial needs
5. High Performance Chip: Supports for X12 chip, this module is compatible with multi bands and wide area networks, providing high speed transfer, suitable for more laptop applications

Spec:
Item Type: 4G LTE Card
Product Material: PCB
Interface: M.2 Key B
Chip: For X12
LTE/4G Category: Cat-12
Frequency Bands:
LTE FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B17/B18/B19/B20/B25/B26/B28/B29/B30/B66/B71
LTE TDD: B38/B39/B40/B41/B42/B42/B48
UMTS/HSPA+: B1/B2/B4/B5/B6/B8/B19
Download Speed: 600Mbps
Upload Speed: 50Mbps
Compatible Laptops:
Fit for Latitude 3550, 5350, 5450, 5500, 7030, 7350, 7450, 7650
Fit for 3591, 3490, 3590
Size: Approx. 30 x 42 x 2.3mm / 1.2 x 1.7 x 0.1in

How to Use:
Take out the product and use it directly.

packing list:
1 x Card
1 x Screw