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2. Wireless device radiation and health - Wikipedia

   en.wikipedia.org/wiki/Wireless_device_radiation...

   The HPA also says that due to the mobile phone's adaptive power ability, a DECT cordless phone's radiation could actually exceed the radiation of a mobile phone. The HPA explains that while the DECT cordless phone's radiation has an average output power of 10 mW, it is actually in the form of 100 bursts per second of 250 mW, a strength comparable to some mobile phones.

3. iPhone 4 antenna woes contextualized by dude in the know - AOL

   www.aol.com/news/2010-06-25-iphone-4-antenna...

   It's the ultimate of ironies that Apple's externalized antenna array in the iPhone 4 -- hoped (and hyped up) to finally give us a phone every bit as good the rest of the device -- has become the ...

4. iPhone 4s - Wikipedia

   en.wikipedia.org/wiki/IPhone_4S

   The iPhone 4s uses the same proprietary 30-pin dock connector that is used on the iPhone 4, which was first introduced in the 3rd generation iPod. The iPhone 4s has an improved cellular (GSM) antenna design over the iPhone 4. The new antenna is divided up into two pieces within the stainless steel band that wraps around the sides of the smartphone.

5. iPhone 5c - Wikipedia

   en.wikipedia.org/wiki/IPhone_5c

   The iPhone 5c is a variant of the iPhone 5, with similar hardware specifications but a hard-coated polycarbonate shell instead of the aluminum of the original iPhone 5. The iPhone 5c was available in several color options and shipped with iOS 7. The device was released at a lower price point than the new flagship 5s; unlike Apple's usual ...

6. Cellular repeater - Wikipedia

   en.wikipedia.org/wiki/Cellular_repeater

   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.

7. Inverted-F antenna - Wikipedia

   en.wikipedia.org/wiki/Inverted-F_antenna

   A planar inverted-F antenna (PIFA) is used for wireless circuitry implemented in microstrip.The microstrip format is the format of choice for modern RF electronics. It can be used to implement required distributed-element RF components such as filters, while at the same time being economical because the same mass production methods are used as for printed circuit boards.