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PowerSource phones used the Sprint network for interconnect (regular voice phone calls) and the Nextel network for walkie-talkie calls. They did this through the implementation of two radios in each unit—a 1900 MHz CDMA radio for Sprint and an 800 MHz iDEN radio for Nextel.
The off network feature on the iDEN phones work for up to a six-mile radius and will communicate with all other iDEN phones in the area on the same channel and code access number. The off network walkie talkie feature has a total of 10 channels on newer phones and within those 10 channels, the phones can handle 15 separate group codes.
Nextel's iDEN network offered a then unique push-to-talk "walkie-talkie" feature in addition to direct-dialed voice calls. Nextel was one of the first providers in the United States to offer a national digital cellular coverage footprint. Prior to merging with Sprint Corporation in 2005, Nextel Communications, Inc. was a publicly traded company.
In the past, world travellers subscribing to Nextel iDEN Services generally have to carry an alternate phone (i.e. the V180) to roam around the world. With the i920 or the i930, one phone, one phone number can be used at any part of the world which has a GSM network. The phone won't be made available to either Boost Mobile or Southern Linc ...
While the bulk of personal walkie-talkie traffic is in the 27 MHz and 400–500 MHz area of the UHF spectrum, there are some units that use the "Part 15" 49 MHz band (shared with cordless phones, baby monitors, and similar devices) as well as the "Part 15" 900 MHz band; in the US at least, units in these bands do not require licenses as long as ...
On July 17, 2024, EchoStar merged its prepaid Boost Mobile and postpaid Boost Infinite into a rebranded Boost Mobile; the company introduced new 5G unlimited plan offerings that would start at $25 per-month, and include both a 30-day money-back guarantee, and a promotion offering a price lock guarantee for postpaid subscribers.
Push-to-talk over cellular (PTToC) is a service option for a cellular phone network that enables subscribers to use their phones as walkie-talkies with unlimited range. A typical push-to-talk connection connects almost instantly.
The app has been described "as being similar to the Nextel walkie-talkie phones, except it lets users listen to recorded messages and talk one-to-one with other users." [5] The app also allows users to send text messages and photos and has a location feature that allows users to see the location of other users on a map. [6]