尼日利亚采购需求：移动信号增强器、移动网络增强器、手机信号增强器、移动信号中继器、蜂窝信号中继器、4G信号放大器

I'm looking for a dual 5G mobile signal booster that can enhance connectivity in challenging environments. It's essential that the device offers reliable performance, supports multiple users, and covers a wide range of frequencies. Could you provide detailed specifications, pricing, and any available options for customization? Additionally, information on warranty and support for installation would be helpful. Looking forward to your prompt response!