Final answer:
Pool access gates need to accommodate a keypad or access control system as a security measure.
Step-by-step explanation:
In the context of pool access gates, the device that they need to accommodate is usually a keypad or access control system. These devices allow authorized individuals to enter the pool area by entering a code or using a keycard or fob, while keeping others out. The keypad or access control system is typically mounted on or near the gate, and it may be connected to a larger security system.