APT21070a
1.	PCIe M.2 M-Key Golden Finger
2.	Two SMPM Connectors for Lane0/Lane1
3.	Two SMA Connectors for Reference Clock
4.	Dimension : 22mm x 80mm
APT21070b
1.	PCIe M.2 M-Key Golden Finger
2.	Two SMPM Connectors for Lane2/Lane3
3.	Two SMA Connectors for Reference Clock
4.	Dimension : 22mm x 80mm
APT21070c
1.	Two SMPM Connector for 2x Thru Calibration
2.	Dimension : 34.33mm x 80mm
                                              
                                            
                                              
                                                  1. PCI Express Host Compliance Test for Tx/Rx (Gen1-Gen5)
2. PCI Express Electrical Signal Quality Validation for Tx/Rx (Gen1-Gen5)
3. Applicable for Server, IPC, Notebook, Desktop or system product which has designed M.2 interface
                                              
                                            
                                              
                                                  1. PCIe M.2 Compliance Electical Test for Tx/Rx
2. Durable SMPM Connectors and flexible Cable Assembly
3. SMPM Connectors and Cable Assembly support up to 40GHz bandwidth
4. 2X Thru Calibration board is provided