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GPS Circular

PA1590MI2G-144-2ZM
PA1590MJ6G-102-16M
PA1590MJ4G-XXX-XX
PA1590MJ2G-XXX-XX
PA1590MS4G-XXX-XX
PA1590MK4G-XXX-XX
PA1590MQ5G-XXX-XX
PA1590MR6G-XXX-XX
PA1590MR4G-XXX-XX
PA1575MQ4S-123-1Z
PA1575MQ4S-124-1Z
PA1575MQ4S-125-1Z

衛星接收天線的極化方式有兩類:一種是線極化，一種是圓極化。圓極化波根據電場旋轉方向不同又可分為左旋和右旋圓極化波。因為線極化波在穿過大氣層時可能有極化面旋轉，而且接收天線必須調整極化角，而圓極化就不會有這些問題，所以衛星通信一般都用圓極化。

天線頻譜方案

Category	Description	Model pn	Dimension (LxWxT mm)	Datasheet
Patch Ant.	GPS Circular	PA1590MI2G-144-2ZM	25x25x2	SPEC PDF
		PA1590MJ6G-102-16M	18.4x18.4x6
		PA1590MJ4G-XXX-XX	18.4x18.4x4
		PA1590MJ2G-XXX-XX	18.4x18.4x2
		PA1590MS4G-XXX-XX	18x18x4
		PA1590MK4G-XXX-XX	15x15x4
		PA1590MQ5G-XXX-XX	13x13x5
		PA1590MR6G-XXX-XX	12x12x6
		PA1590MR4G-XXX-XX	12x12x4
		PA1575MQ4S-123-1Z	10x10x4
		PA1575MQ4S-124-1Z	9x9x4
		PA1575MQ4S-125-1Z	6x6x4

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