According to the aviation VHF Data Link Mode 2 (VDLM2) protocol and based on its physical layer and link layer the VDLM2 OPNET models were created.

• 摘要依据航空甚高频数据链模式二(VDLM2)协议，基于其物理层和链路层，建立了VDLM2的OPNET模型。