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slade797 t1_iyfvz83 wrote

You might want to check in at /r/gmrs, they know all about that stuff.

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Equal_Coach6307 t1_iyfx4t0 wrote

Nope.

Radios that are capable of going through densely populated areas (aka lot’s of concrete / structural impediments) are expensive, require a LOT of power and are not available in a ‘walkie talkie’ format.

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jeffreyd00 t1_iygbwmp wrote

Why not just get a walkie talkie app for your phones? Zello is one I've used it the past.

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Rudollis t1_iyi7d5z wrote

Motorola CP200d are an industry standard for two way radios on film productions.

Now talking downtown NYC I have no firsthand experience, but you should be able to rent these easily to test them in your specific circumstances.

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steezy33 t1_iys95gr wrote

This, this right here. I use them in NYC all the time, but they won’t go 2 miles in dense areas. However, Motorola digital is the place to start.

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brielem t1_iyulie5 wrote

Not sure about the US, but here in Europe you need a licence for any radio equipment that emits more than half a watt. With less than that, you're not going to cover that distance for sure. And even if you don't need a license, it's unlikely that mobile devices are going to form a reliable connection over such distance in a large city. Usually to get those types of coverage, relays on the tall buildings in between are required.

Most logical and reliable option to me seems some kind of Push-to-talk over Cellular (POC) solution. You have mobile radios (walkie talkies) that have them but they would require a subscription for their cellular connection. There are also phone apps that offer this functionality, and I suppose you already have a cellular subscription for your phone. I'd try that.

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