To learn more about the 2975's replacement, visit the 3920B Series Analog and Digital Radio Test Platform product page located under Radio Test Sets category.
        
  资料
应用指南
- 2975: An Advanced P25 and Analog Test System (Discontinued)
 - Testing SmartNet/SmartZone Systems (Discontinued)
 - Understanding 800 MHz and VHF/UHF Implicit P25 Trunking Functions using the IFR 2975 (Discontinued)
 - Understanding Advanced P25 Control Channel Functions (Discontinued)
 - Understanding PassPort Radio Systems (Discontinued)
 - Using the 2975 to perform Control Channel Logging (Discontinued)
 - Using the IFR 2975 for Advanced Project 25 Keyloading Capabilities and AES/DES Encryption (Discontinued)