1855 Features:Antenna Amplifier for Mobile Phones-The latest generation SP-11 PRO antennas X manufactures these amplifiers and other mobile phones, and can also enhance the reception capabilities of two antennas PDA radios, walkie-talkies, buzzer, and even a cordless phone at homeUpgraded Generation X PlusSP-11 PRO revised edition mobile phone antenna amplifiers Our new generation X Plus revised edition mobile phone antenna amplifiers are better than ever. The antenna amplifier is now stronger and has shiny gold. It also provides instructions for installing and testing your new antenna. Benefits:1) Huge impact-like having 4 feet antenna on your mobile phone.2) Improve the reception effect and reduce static electricity on ships, elevators, cars, buildings, tunnels and mountains.3) Can be used on any analog, digital and tri-band Specifications:100% brand new and high quality. Quantity: 1pcSize: As the picture showsColor: Black and GoldPackage Included:1*Sticker Signal AmplificationNote:1. Due to light and other reasons, there may be color differences.2. The products are manual measurement, there is a slight measurement error.3. Thank you for your kind understanding.