加纳采购需求：手机信号增强器、批发移动信号增强器、手机信号增强器、手机信号解决方案、信号覆盖、光纤数字中继器

I'm looking for a high-quality GSM booster that can significantly enhance mobile signal strength. It's essential that the product is reliable, efficient, and suitable for both indoor and outdoor use. I want to know about its key specifications, including coverage area and compatibility with different networks. Additionally, please provide information on pricing, minimum order quantities, and available warranty options. If there are various models, I'd appreciate details on the differences between them, so I can make an informed decision. Looking forward to your prompt response!