(Image credit: TP Link) These days, good Wi-Fi signal is a basic human necessity, sitting fairly low on Maslow's pyramid of needs , just above food, water, and shelter. Routers provided by your internet service provider tend to be made by the cheapest contractor, and frequently don't throw Wi-Fi beyond its immediate vicinity, and choke and sputter with more than a couple connected devices. That's why today's deal on the TP-Link Archer BE550 Wi-Fi 7 router is so darn appetizing for just $149.99, thanks to this Amazon Prime Deal, 40% off its regular price, and an all-time low . TP-Link Archer BE550 router at Amazon for $149.99 This box o' antennas counts a total of six signal emitters, enough to cover most U.S. households. TP-Link says the array should provide Wi-Fi signals over four bedrooms, but we figure that's a conservative estimate for wooden constructions.…