For testing in the 703 748 MHz frequency range. Shielding and construction: Aluminum alloy shielded shell provides anti interference protection; avoids out of band spurious response; compact and sturdy; easy to use. Purpose: Dedicated to the optimization of 725 MHz receiving equipment. Performance benefits: Effectively filters out of band signals, reduces noise, and increases dynamic Key attributes: Function: RF testing and optimization in the 703 748 MHz band Compatibility: Designed for 725 MHz receiving equipment Material: Aluminum alloy shielded shell Size and build: Compact and sturdy Performance: Anti interference, out of band suppression, noise reduction, dynamic improvement Use scenarios: Laboratory testing and optimization of 725 MHz receiver modules in the 703 748 MHz band In field tuning of 725 MHz receiving systems to minimize interference from adjacent channels RF development and prototyping workflows to evaluate out of band suppression and noise reduction in 725 MHz receive paths