Complex sentence: The modem itself was useless until an account was purchased and set up, which required a monthly fee of $4.95 that was based on an amount of 50 "connects" a player was allowed to make without an additional fee of.15 per connect.
Split into simpler sentences: The modem itself was useless until an account was purchased and set up, which required a monthly fee of $4.95. This was based on an amount of 50 "connects" a player was allowed to make without an additional fee of.15 per connect.