TB1589V2 U.2 Socket- TB1589V2 Model Name:TB1589V2Product Description:The U.2 connect socket designed for PE Series. Compatible with U-Reach Products:PE Series, PE-U Series. TB1660 U.2 Socket- TB1660 Model Name:TB1660Product Description:The U.2 connect socket designed for PE-H Series. Compatible with U-Reach Products:PE-H Series.