Nissan has discontinued replacement keyless entry remotes with FCC ID A269ZUA073. These 4-button keyfobs were used on both Nissan and Infiniti vehicles.
Remotes Unlimited does offer a replacement aftermarket remote for this keyfob. It is a 4-button ReMoto. It is significantly less expensive than the dealer list price on the Nissan or Infiniti versions of the remote. It is user programmable for all applications.
See Nissan remote with FCC ID A269ZUA073 and ReMoto replacement keyfob at this link.