Mobile Phone Signal Booster Portable Signal Booster Sticker for Cell Phone Network Mobile Phone 4G Amplifier

Mobile Phone Signal Booster Portable Mobile Phone 4G Amplifier SP3 SP4 Phone Signal Enhancement for Cell Phone NetworkPortable Mobile Phone Antenna Signal Boosters Cell Phone SP3 SP4 Network Signal Enhancement Stickers Amplifier  Feature: Can improve mobile phone reception. Improved cell phone antenna amplifier. Antenna boosters are now stronger and have a shiny gold finish. Improve receptor effect and reduce static electricity in ships, elevators, cars, buildings, tunnels and mountains. Easy to install, just peel and stick. Specification: Material: Fpc Size: About 3cm/1.2in Weight: 50g Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.  1 x Antenna Sticker