(a)      When and in the manner authorized by law, a District Court judge may issue:

            (1)      Warrants of arrest; and

            (2)      Warrants for search and seizure or for interception of communications.

      (b)      A District Court judge may issue:

            (1)      Writs of habeas corpus ad testificandum or ad prosequendum; and

            (2)      Writs of error coram nobis.