Hi Drew,
thank you for checking.
if you run the command iw list you should see the information about the wifi card and maximum allowed TXPower. In the frequencies section you will see its upto 20 dBm which corresponds to 2000mBm
Frequencies:
* 2412 MHz [1] (20.0 dBm)
* 2417 MHz [2] (20.0 dBm)
* 2422 MHz [3] (20.0 dBm)
* 2427 MHz [4] (20.0 dBm)
* 2432 MHz [5] (20.0 dBm)
* 2437 MHz [6] (20.0 dBm)
* 2442 MHz [7] (20.0 dBm)
* 2447 MHz [8] (20.0 dBm)
* 2452 MHz [9] (20.0 dBm)
* 2457 MHz [10] (20.0 dBm)
* 2462 MHz [11] (20.0 dBm)
* 2467 MHz [12] (20.0 dBm)
* 2472 MHz [13] (20.0 dBm)
* 2484 MHz [14] (disabled)
Frequencies:
* 5040 MHz [8] (disabled)
* 5060 MHz [12] (disabled)
* 5080 MHz [16] (disabled)
* 5170 MHz [34] (23.0 dBm)
* 5190 MHz [38] (23.0 dBm)
* 5210 MHz [42] (23.0 dBm)
* 5230 MHz [46] (23.0 dBm)
* 5180 MHz [36] (23.0 dBm)
* 5200 MHz [40] (23.0 dBm)
* 5220 MHz [44] (23.0 dBm)
* 5240 MHz [48] (23.0 dBm)
* 5260 MHz [52] (20.0 dBm) (no IR, radar detection)
* 5280 MHz [56] (20.0 dBm) (no IR, radar detection)
* 5300 MHz [60] (20.0 dBm) (no IR, radar detection)
* 5320 MHz [64] (20.0 dBm) (no IR, radar detection)
* 5500 MHz [100] (26.0 dBm) (no IR, radar detection)
* 5520 MHz [104] (26.0 dBm) (no IR, radar detection)
* 5540 MHz [108] (26.0 dBm) (no IR, radar detection)
* 5560 MHz [112] (26.0 dBm) (no IR, radar detection)
* 5580 MHz [116] (26.0 dBm) (no IR, radar detection)
* 5600 MHz [120] (26.0 dBm) (no IR, radar detection)
* 5620 MHz [124] (26.0 dBm) (no IR, radar detection)
* 5640 MHz [128] (26.0 dBm) (no IR, radar detection)
* 5660 MHz [132] (26.0 dBm) (no IR, radar detection)
* 5680 MHz [136] (26.0 dBm) (no IR, radar detection)
* 5700 MHz [140] (26.0 dBm) (no IR, radar detection)
* 5745 MHz [149] (13.0 dBm)
* 5765 MHz [153] (13.0 dBm)
* 5785 MHz [157] (13.0 dBm)
* 5805 MHz [161] (13.0 dBm)
* 5825 MHz [165] (13.0 dBm)