User's Manual Part 1

iDEN Add-On Filter Box
User’s Manual -13-
2.2.3. Duplexer
A duplexer is a device that combines two or more signals onto a common
channel or medium to increase its transmission efficiency.
Figure 7. Duplexer
800/900MHz
Input
Input CPL
-10dB
Output CPL
-10dB
800/ 900MHz
Output
900MHz Input
800MHz Input
800MHz Output
900MHz Output