天线产品简介 Brief Introduction of Antenna Products 产品分类 I. Complete Product Categories 天线是京信公司的通信产品之一，其类型涵盖了蜂窝移动通信系统中所需要的各种用途的天线。产品在频段上覆盖了第二代数字移动通信（GSM 900/1800MHz，CDMA 800 MHz 3G等频段）范围。天线产品系列包括基站天线、室内覆盖天线、直放站天线、以及满足其它覆盖要求的特殊天线。 Antenna is one of the communication products of Comba Telecom Systems. Comba antenna products cover all usages of cellular mobile phone systems. In the aspect of working frequency, Comba products cover various second generation digital mobile communication systems, including GSM 900/1800 MHz, and CDMA 800 MHz, as well as 3G systems. The Comba antenna products can be divided into four categories: BTS antenna, indoor antenna, repeater site antenna, and special purpose antenna.