Wireless: RAVPower? Travel Charger / Wall Charger Dual USB Charge (15.5W/ 3.1A, Swivel Plug),Designed for iPhone 5s, 5c, 5, 4s, 4; iPad 5, Air, mini; ipod Touch, nano; Samsung Galaxy S5, S4, S3, S2, Galaxy Note 3, 2; Kindle; LG G2; Nexus 5, 7; Motorola Droid RAZR MAXX; Blackberry; Nook Color; Bluetooth Speakers & Headsets; HTC One X V S; external batteries and more - White - RAVPower

Wireless: RAVPower PORTABLE CHARGER Element 10400mAh Power Bank CHARGER External Battery CHARGER Pack (Dual USB Outputs, Ultra Compact Design), Travel Charger for iPhone 5, 5S, 5C, 4S, 4, iPad Air, 4, 3, 2, Mini 2 (Apple adapters not included); Samsung Galaxy S5, S4, S3, S2, Note 3, Note 2; HTC One, EVO, Thunderbolt, Incredible, Droid DNA, Motorola ATRIX, Droid, Moto X, Google Glass, Nexus 4, Nexus 5, Nexus 7, Nexus 10, LG Optimus, PS Vita, GoPro, Smart Watch and More - Black - RAVPower

Wireless: RAVPower Dual USB Car Charger (15.5W / 3.1Amps Output, White), for iPhone 6, 5S, 5C, 5, 4S, 4, iPad 4, 3, 2, Mini, iPods, Samsung Galaxy S5, S4, S3, S2, Note 3, Note 2, HTC One, EVO, Thunderbolt, Incredible, Droid DNA, Motorola ATRIX, Droid, Moto X, Google Glass, Nexus 4, Nexus 7, Nexus 10, LG Optimus, PS Vita, GoPro and More RP-CC01 - RAVPower

Wireless: RAVPower Luster Mini 3000mAh Portable Charger Lipstick-Sized External Battery Pack Power Bank Charger (Ultra Bright Flashlight with High/Low/Strobe Modes, 5V/1A Output) for iPhone 5S, 5C, 5, 4S, 4, iPod (Lightning Cable not Provided); Samsung Galaxy S5, S4, S3, S2, Note 2; Nexus 5, Nexus 4, HTC Sensation, One X V One X V S, EVO 4G, Thunderbolt; Nokia Lumia 1020, 920 900 N9; Motorola Razr; LG Google Nexu 4 and other Android & Apple Device, Smart Phones, Tablets - Black - RAVPower

Digital Device Accessory: RAVPower Dual Port 15.5W / 3.1A USB Car Charger for iPhone 6, 5s, 5c, 5, 4s, 4; iPad 5, Air, Mini; iPod Touch, Nano; Samsung Galaxy S5, S4, S3, S2, Galaxy Note 3, 2; Kindle; LG G2; Nexus 5, 7; Motorola Droid RAZR MAXX; Blackberry; Nook Color; Bluetooth Speakers and Headsets; HTC One X V S; External Batteries and More (Black) - RAVPower

Wireless: RAVPower Bolt 30W/6A 4-Port Rapid Charging Station / USB Travel Wall Charger / USB Desktop Charger, for iPhone 5s, 5c, 5, 4s, 4; iPad 5, Air, Mini; Samsung Galaxy S5, S4, S3, S2, Note 3, 2; Kindle Fire HD HDX; Google Nexus 4, 5, 7, 10; Motorola Droid Razr Maxx Moto X; HTC One X V S, LG G2; Nokia Lumia 920 1020 1520 2520; PS 4; Bluetooth Speakers & Headsets; External Battery Packs and More - RAVPower

Wireless: RAVPower Deluxe External Battery CHARGER 14000mAh Portable Power Bank Pack for iPhone 5S,5C,5 (Lightning Cable not included), 4S, 4, iPad Air, iPad 4, 3, 2, Mini 2, Mini, iPods; Samsung Galaxy S4, S3, S2, Note 3 Note 2; Nexus 7, Nexus 5, Nexus 4; HTC One, EVO, Thunderbolt, Incredible, Droid DNA; Motorola ATRIX, Droid; LG Optimus [Prenium Samsung Batteries, Matte Finish, 2 mobile phone connectors] - Black - RAVPower

Wireless: myLife (TM) Sky Blue + White Rugged Diamond Style 3 Layer (Hybrid Flex Gel) Grip Case for New Apple iPhone 5C Touch Phone (External 2 Piece Full Body Defender Armor Rubberized Shell + Internal Gel Fit Silicone Flex Protector + Lifetime Waranty + Sealed Inside myLife Authorized Packaging Only) "Attention: This case comes grip easy smooth silicone that slides in to your pocket easily yet wont slip out of your hand" - myLife Brand Products

Wireless: myLife Black + Lime Green Polka Dotted Style 3 Layer (Hybrid Flex Gel) Grip Case for New Apple iPhone 5C Touch Phone (External 2 Piece Full Body Defender Armor Rubberized Shell + Internal Gel Fit Silicone Flex Protector) "Attention: This case comes grip easy smooth silicone that slides in to your pocket easily yet wont slip out of your hand" - myLife Brand Products

Wireless: myLife Black + Mug of Beer 3 Layer (Hybrid Flex Gel) Grip Case for New Apple iPhone 5C Touch Phone (External 2 Piece Full Body Defender Armor Rubberized Shell + Internal Gel Fit Silicone Flex Protector) - myLife Brand Products

Wireless: RAVPower Luster Mini 3000mAh Ultra-Compact Portable Charger Lipstick-Sized External Battery Power Bank Pack for iPhone 5S, 5C, 5, 4S, Galaxy S5, S4, S3, Note 3, Nexus 4, HTC One, One 2 (M8), Nokia Lumia 520, 1020, most other Smartphones (Apple Adapters- 30 pin and Lightning NOT Included,Ultra Bright Flashlight with High/Low/Strobe Modes) - Silver - RAVPower

Wireless: RAVPower? Multi-Purpose Universal USB Travel Wall Charger Cell Phone Battery Charger for iPhones, iPods; Samsung: Galaxy Nexus, Galaxy S2 I9100, S I9000; HTC: Sensation, Sensation XE, EVO 3D, EVO 4G, ThunderBolt; Motorola: Verizon Droid X2; Blackberry Bold 9900, Sony Ericsson Xperia Arc S, and Many More Smart Phones [Can NOT fully charge batteries for the Samsung S3 & S4& Note 3] - RAVPower

Wireless: RAVPower Luster Mini 3000mAh Portable Charger Lipstick-Sized External Battery Pack Power Bank Charger (Ultra Bright Flashlight with High/Low/Strobe Modes, 5V/1A Output) for iPhone 5S, 5C, 5, 4S, 4, iPod (Lightning Cable not Provided); Samsung Galaxy S5, S4, S3, S2, Note 2; Nexus 5, Nexus 4, HTC Sensation, One X V One X V S, EVO 4G, Thunderbolt; Nokia Lumia 1020, 920 900 N9; Motorola Razr; LG Google Nexu 4 and other Android & Apple Device, Smart Phones, Tablets - Pink - RAVPower

Wireless: RAVPower? Multi-Purpose Universal USB Travel Wall Charger Cell Phone Battery Charger for iPhones, iPods; Samsung: Galaxy Nexus, Galaxy S2 I9100, S I9000; HTC: Sensation, Sensation XE, EVO 3D, EVO 4G, ThunderBolt; Motorola: Verizon Droid X2; Blackberry Bold 9900, Sony Ericsson Xperia Arc S, and Many More Smart Phones [Can NOT fully charge batteries for the Samsung S3 & S4] - RAVPower

Wireless: myLife White + Royal Blue Flat Color Style 3 Layer (Hybrid Flex Gel) Grip Case for New Apple iPhone 5C Touch Phone (External 2 Piece Full Body Defender Armor Rubberized Shell + Internal Gel Fit Silicone Flex Protector) "Attention: This case comes grip easy smooth silicone that slides in to your pocket easily yet wont slip out of your hand" - myLife Brand Products

Wireless: Purple TPU Flexible Case For Apple iPhone 4 4G with 2X Screen Guard Protector - Black Jack Electronics

Wireless: myLife (TM) White + Black Scary Skull Series (2 Piece Snap On) Hardshell Plates Case for the iPhone 5/5S (5G) 5th Generation Touch Phone (Clip Fitted Front and Back Solid Cover Case + Rubberized Tough Armor Skin + Lifetime Warranty + Sealed Inside myLife Authorized Packaging) "ADDITIONAL DETAILS: This two piece clip together case has a gloss surface and smooth texture that maximizes the stylish appeal of your iPhone 5 and brings out the unique colors and designs in the case itself." - myLife Brand Products

Wireless: myLife Blue Tropical Flowers Series (2 Piece Snap On) Hardshell Plates Case for the iPhone 5/5S (5G) 5th Generation Touch Phone (Clip Fitted Front and Back Solid Cover Case + Rubberized Tough Armor Skin) - myLife Brand Products

Wireless: myLife Abstract Purple + White Flowers and Vines Series (2 Piece Snap On) Hardshell Plates Case for the iPhone 5/5S (5G) 5th Generation Touch Phone (Clip Fitted Front and Back Solid Cover Case + Rubberized Tough Armor Skin) - myLife Brand Products

Wireless: myLife Purple + Blue Zig Zag Style 3 Layer (Hybrid Flex Gel) Grip Case for New Apple iPhone 5C Touch Phone (External 2 Piece Full Body Defender Armor Rubberized Shell + Internal Gel Fit Silicone Flex Protector) "Attention: This case comes grip easy smooth silicone that slides in to your pocket easily yet wont slip out of your hand" - myLife Brand Products

The above is "Iphone 4 Antenna Guard: Wireless: Ravpower? Travel Charger / Wall Charger Dual USB Charge (15.5W/ 3.1A, ..." recommended related products, Please click on the picture to see product details and iphone 4 antenna guard reviews!

Iphone 4 Antenna Guard Popular Q&A

Q: How to Fix an iPhone 4 Cover Antenna.
A: 1. Remove any covers or cases on your iPhone 4. 2. Cut a 1-inch-long strip of electrical tape. 3. Cut the piece of insulation tape into vertical strips that are... Read More »

Q: How to Fix Your iPhone 4's Antenna With a Case.
A: 1. Visit apple.com/us and click on "iPhone accessories. 2. Choose between a case or a bumper. A case fits around the sides and back of the phone, and helps prot... Read More »

Q: What make the antenna system of the iPhone 4s so special?
A: It is using two antennas that receive different signals (receive diversity = RxD) and then combines them to give the 'best of both' (Maximal Ratio Combining - M... Read More »

Q: How bad of a design flaw is the iPhone 4 antenna?
A: Haven't noticed it at all. I have the bumper on most of the time, but even when its off, iPhone 4 is WAY better reception wise than my 3G. Then again, I'm right... Read More »

Q: How many antennas are their on the iphone 4?
A: there are 2 antennas. one on the right side, for bluetooth, GPS and WiFi. the one on the left side and most of the bottom and top does the cellular connection. ... Read More »