The Hytera SM19A1 Keypad Palm Microphone with Emergency Button is a professional-grade speaker microphone built for demanding two-way radio environments. Highlights include full DTMF Keypad and dedicated Emergency Button.
Key Features
- Full DTMF Keypad: Enables direct frequency entry, selective individual/group calling, and advanced PTT ID functions.
- Dedicated Emergency Button: Bright orange top-mounted button permits immediate one-touch dispatch alert transmission during critical incidents.
- Large Programmable Keys: Customizable function buttons allow instant access to frequently used radio features and channel zones.
- 10-Pin Aviation Connector: Heavy-duty locking connector delivers rock-solid audio transmission and signal stability on rough roads.
- IP54 Weather Protection: Sealed casing safeguards internal microphone components against dust ingress and water spray.
- Integrated Metal Mounting Clip: Comes complete with a metal dash-mount button and hanging bracket for secure vehicle cab placement.
Specifications
| Model/SKU | SM19A1 |
| Product Type | Keypad Palm Microphone |
| Keypad Type | Full DTMF Numeric Keypad |
| Connector Type | 10-Pin Aviation Connector |
| Ingress Protection | IP54 Weather-Resistant |
| Microphone Sensitivity | –21±3 dB @ 1 kHz (3.0V, 2.2K) |
| Controls | PTT Key, Emergency Button, Programmable Function Keys, DTMF Keypad |
| Operating Temperature | -22°F to +149°F (-30°C to +65°C) |
| Dimensions | 3.82 Inches L x 2.52 Inches W x 1.55 Inches H (97 mm x 64 mm x 39.4 mm) |
| Weight | 230 Grams (8.11 oz) |
| Compliance | RoHS, REACH |
| HM652 | HM682 | HM782 | HR652 |
Compatibility: engineered to work with HM652, HM682, HM782, HR1062, HR652, MD622 and other compatible radio models.
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