A telecommunications engineer is analyzing the carrier frequencies of various signals used in satellite and mobile networks within the microwave and radio regions of the electromagnetic spectrum. Which of the following options shows two measurements that represent the exact same frequency?
1.8 GHz1.8\text{ GHz}1.8 GHz and 1.8×108 Hz1.8 \times 10^8\text{ Hz}1.8×108 Hz
24 GHz24\text{ GHz}24 GHz and 2.4×1010 Hz2.4 \times 10^{10}\text{ Hz}2.4×1010 Hz
850 MHz850\text{ MHz}850 MHz and 8.5×107 Hz8.5 \times 10^7\text{ Hz}8.5×107 Hz
12 GHz12\text{ GHz}12 GHz and 1.2×1011 Hz1.2 \times 10^{11}\text{ Hz}1.2×1011 Hz