dual band access point vs stand alone accesspoint

[ashlyjay]

Im just curious about this topic that my friend raise us. We have 3 different accesspoint here in our office. 1 dual band AP, 1pc 2.4 GHz AP and 1pc 5.0Ghz.

This are our concerns.

dual band ( 5.0Ghz ) vs stand alone ( 5.0Ghz ) = who has greater signal or better connectivity?

dual band ( 2.4Ghz ) vs stand alone ( 2.4Ghz ) = who has greater signal or better connectivity?

Some of my friends said that it would be better using stand-alone AP because it has longer range than dual band. Dual band has shorter range because he will be transmitting 2 signal. Is this correct?

 

[JustAGuy51]

I guess it depends on your (dual-band) router, whether it is switching back and forth or running 2 frequencies at the same time. Read some here,

http://apcmag.com/dualband_wifi_ready_to_roll.htm