—Order unanimously affirmed. Memorandum: Defendant moved pursuant to CPL 440.10 to set aside a judgment convicting him of various drug-related offenses. Defendant contends that the conviction is supported by evidence illegally obtained through the use of a pen register device capable of monitoring the content of telephone conversations, and that the order authorizing the installation of the pen register was not based upon probable cause (see, People v Bialostok,
County Court properly denied the motion. Bialostok (supra) does not apply retroactively to pen register surveillance, including the surveillance in the instant case, conducted prior to February 25, 1993, the date on which Bialostok was decided (see, People v Martello,
