Table schema:
CREATE TABLE table_name_88 (type VARCHAR, model VARCHAR, brand VARCHAR, modem VARCHAR, storage VARCHAR)

Question: What is the type of the RCA RW-2110, which has 2 MB of storage and a v.90 modem?
SQL: SELECT type FROM table_name_88 WHERE modem = "v.90" AND storage = "2 mb" AND brand = "rca" AND model = "rw-2110"