Product Overview
The Hytera SM25A1 is a remote speaker microphone with an LCD for HM655 mobile radios. The manufacturer restricts this model to HM655.
Specifications
| Manufacturer | Hytera |
|---|---|
| Model | SM25A1 |
| Dimensions | 92.8* 62.5* 32.1mm |
| Weight | about 160 g |
| Color | black |
| PTT Key | available |
| Emergency Key | available |
| Microphone Sensitivity | –42±3 dB @ 1 kHz 3.0 V 2.2 K, 0 dB = 1 V/Pa |
| Speaker Power | 2 W (rated); 3 W (max.) |
| Speaker Impedance | 20 Ω±15% @ 1.5 kHz |
| IP Rating | IP54 |
| Operating Temperature | –30℃ to 60℃ |
| Storage Temperature | –40℃ to 85℃ |
| Host restriction | For use with HM655 mobile radios only |
| Display | LCD for radio status monitoring |
Compatibility and Ordering
Specify the HM655 hardware and required display, PTT and emergency functions. Confirm the connector and supplied mounting parts; this HM655-only listing must not be expanded to other HM radios.
Acoustic Performance Documentation
For acoustic qualification, request a frequency-response curve and the measurement reference and test conditions. A single output-level value in dB does not specify a frequency-response bandwidth.
Request a Quote
Contact MARS SC with the exact SM25A1 configuration, host equipment and quantity required.
