Cell phone signalenhancement patch

Cell phone signalenhancement patch

$19.99
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Strengthen the signal and make clear calls. If the signal is weak and you can't make a call, the 3M strong signal sticker can double your phone signal. Convenient and efficient. Simply attach it to your portable gear to significantly improve signal reception. Convenient and efficient. Simply attach it to your portable gear to significantly improve signal reception. Save electricity and save money. Avoid frequently looking for locations to change signals, and do not waste battery life and call charges. Specifications Network standard: 4G 5G Covering area: 100 square meters Speed: 300m Protocol: 802.11n Product size: 35*20mm Product weight: 0.05 (KG) Notes Due to manual measurements, please allow slight measurement deviations. Due to the different display and lighting effects, the actual color of the item may be slightly different from the color displayed in the picture.  

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