FixVault

Section 66 (Smart Key System (PHEV)): Specifications: Antenna

WARNING: This page is about a different car, the 2018 Hyundai Ioniq. However, it is still accessible from the selected car via links, so may be relevant.
Items Specification
Rated voltage DC 12V
Operating voltage DC 9 - 16V
Operating temperature -22°F to 167°F (-30°C to 75°C)
Frequency 125 kHz
Numbers Interior (2EA), Door (2EA), Bumper (1EA), Trunk (1EA)