2.4GHz in Manhattan? You're making me laugh. There are so many WiFi (and other Part 15.247) devices in Manhattan that the noise floor is sitting around -90dB.

2.4GHz in Manhattan? You're making me laugh. There are so many WiFi (and other Part 15.247) devices in Manhattan that the noise floor is sitting around -90dB. You're not going to build a mesh network in 2.4GHz in NYC.