There are differences in the printing of words/batch numbers due to different batches, which not affect the use; there are color differences in the actual product. DW5821e T77W968 LTE Cat16 GNSS WWAN Module. DW5821e T77W968 is a data card solution that delivers wireless wide-area network (WWAN)connectivity for the LTE,UMTS(HSDPA/HSUPA/HSPA/DC-HSPA ) and for Glonass/for Beidou protocols.in one hardware configuration. It supports LTE Bands as below:LB: B26(5/18/19)/8/12(17)/13/14/20/28/29; MB: B1/2(25)/3/4(66)/32; HB: 7/30/38/39/40/41/42/43/48; :B46(DL only) WCDMA Bands: 1/2/4/5(6/19)/8/9 DW5821e-T77W968 Specifications and Key features: Product Type: 3G, 4G and 5G WWAN Card Network Technology: LTE & WCDMA PN: T77W968 Part number: it depends LTE Category: Cat 16 Chipset: X20 LTE Modem Form factor: M.2 5xDL CA (Up to 100MHz, 256QAM) 2xUL CA (Up to 40MHz 64QAM) MIMO: 4 x 4(band plan: B1/2/3/4/7/30/40/41/66), 4 x 2, 2 x 2 UE-Category UL 13 (UL: 150Mbps) + UE-Category DL 16 (DL: 1.0Gbps) @2X2 Currently this Mobile Broadband Card DW5821e-T77W968 is compatible with the following models: for 5420 Rugged for 5424 Rugged for 7424 Rugged Extreme for 7400 / 7400 2-in-1 Color: As Shown Material: PCB Package Contents: 1 x T77W968 DW5821e E-SIM 4G LTE Module(The suffix numbers , but this does 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.