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Rugged smartphone. A rugged smartphone is a specific type of toughened smartphone which is designed to be completely sealed within a durable housing to protect it against damage from water, shock, dust, and vibration.
A cellular repeater (also known as cell phone signal booster or cell phone signal amplifier) is a type of bi-directional amplifier used to improve cell phone reception. [citation needed] A cellular repeater system commonly consists of a donor antenna that receives and transmits signal from nearby cell towers, coaxial cables, a signal amplifier, and an indoor rebroadcast antenna.
The main benefits for an end user are the following: "5 bar" coverage when there is no existing signal or poor coverage; Higher mobile data capacity, which is important if the end-user makes use of mobile data on their mobile phone (may not be relevant to a large number of subscribers who instead use WiFi where femtocell is located)
Eliminate dead zones with these devices that work at home and on the go.
Samsung has released a Tactical Edition of the Galaxy S20 that's secure, but it's strictly meant for the US military and government officials.
The Samsung BlackJack, or Samsung SGH-i607, is a smartphone that was available through AT&T in the United States and Telstra in Australia. Specifications [ edit ]
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