: Compared to active noise-canceling or GPS-enabled microphones, the HMN439 is an affordable solution for basic, high-quality voice transmission. Tips for Maintenance and Use
: It draws power directly from the radio unit, meaning there are no batteries to charge or Bluetooth connections to sync. hmn439
The HMN439 is a heavy-duty, standard handheld microphone (often called a "palm mic") that connects to the front of a mobile radio. Unlike smaller consumer microphones, it is built to withstand the rigors of professional environments, featuring a rugged housing and a reinforced coiled cord. Key Technical Specifications Unlike smaller consumer microphones, it is built to
The HMN439 is primarily compatible with Motorola’s "legacy" and "mid-tier" mobile radio families. It is often used as a direct replacement for the or HMN3413 . Commonly supported radio models include: CDM Series : CDM750, CDM1250, CDM1550 CM Series : CM200, CM300 GM Series : GM300, GM338, GM340, GM360, GM640 PM Series : PM400 M Series : M1225, M10, M100, M120, M130, M200 MaxTrac & MaraTrac : Older legacy mobile units Why the HMN439 is Still a Top Choice Commonly supported radio models include: CDM Series :
: Omnidirectional electret, designed to capture clear voice audio while minimizing some ambient cabin noise.
: While the coiled cord is durable, repeatedly stretching it to its absolute limit can eventually cause internal wire fatigue or "fraying" near the connector.