NIM-4G-LTE-NA= 4G LTE NIM for North America AT&T and Canada NIM-4G-LTE-VZ 4G LTE NIM for Verizon NIM-4G-LTE-VZ= 4G LTE NIM for Verizon NIM-4G-LTE-GA 4G LTE NIM for Global (Europe, Australia & New Zealand) NIM-4G-LTE-NA 4G LTE NIM for North America AT&T and Canada NIM-4G-LTE-ST 4G LTE NIM for Sprint NIM-4G-LTE-ST= 4G LTE NIM for Sprint NIM-4G-LTE-GA= 4G LTE NIM for Global (Europe, Australia & New Zealand) NIM-1T 1-Port Serial WAN Interface card NIM-1T= 1-Port Serial WAN Interface card NIM-1T++= 1-Port Serial WAN Interface card NIM-4FXO= 4-port Network Interface Module - FXO (Universal) NIM-2FXO= 2-port Network Interface Module - FXO (Universal) NIM-2FXS= 2-Port Network Interface Module - FXS, FXS-E and DID NIM-4FXS= 4-Port Network Interface Module - FXS, FXS-E and DID NIM-4FXO 4-port Network Interface Module - FXO (Universal) NIM-2FXO 2-port Network Interface Module - FXO (Universal) NIM-2FXS 2-Port Network Interface Module - FXS, FXS-E and DID NIM-4FXS 4-Port Network Interface Module - FXS, FXS-E and DID