Your best bet is probably to buy a normal home router and get yourself a 
generic usb cell data stick, most anything that will run dd-wrt will 
support using them as the "wan".  Most netgear, asus, buffalo, etc 
routers come stock with dd-wrt, or some bastard oem version thereof.  
Just google the model you're thinking, and make sure they're supported 
by open-wrt or tomato case the oem version sucks.

You don't even need a new/modern one unless you want 802.11AC (so your 
mac friends with new powerbooks don't turn their nose at you), so hit 
Craigslist/ebay too.

Problem with a phone is they usually won't have enough power and antenna 
to deal with that many clients, whereas a router, especially one that 
has sma connectors for external antennas, will.  They also do nifty 
things like supporting 5ghz clients vs. just 2.4ghz crappiness, 
channel-bonding, channel-steering, etc.

Attaching 50 clients on even an enterprise ap is a lot for one 
channel...  Your phone will go insane, and interference from that many 
speakers will make it useless.

-mb


On 09/23/2014 08:54 PM, David Schwartz wrote:
> Simple question: I'm looking to see if anybody knows of any mobile apps that run in either iOS or Android that support a "mobile hotspot" (or "personal hotspot") and allow more than 5 DHCP connections? Preferably up to 255, although 50 is about as many as I'd need.
>
> What I'm looking for is the ability to configure a mobile device to support a micro-LAN where people in a meeting room can communicate through a single sub-net without having to rely on the facility's WiFI router (because they frequently block most ports) or an external router (if a phone or tablet works, why require another device?).
>
> I don’t even need to get to the internet. It’s just a way for mobile devices to communicate with a single “host” device where everybody is sitting at the same meeting.
>
> Thanks!
> -David
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