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SM20A2 Mobile Radio Telephone-Style Handset

Full Keypad Handset with Emergency Button for HM782 DMR Radios

The Hytera SM20A2 is a telephone-style handset designed to provide private, hands-on communication for users of the Hytera HM782 H-Series DMR mobile radio. Ergonomically designed for comfort during extended use, this handset is ideal for operators who require secure, distraction-free voice transmissions in mobile or fixed dispatch environments.

The SM20A2 features a keypad without display, allowing for simplified navigation and customized functionality through programmable keys. This flexibility supports user-specific communication needs while maintaining an intuitive layout. The handset also includes a dedicated emergency button, enabling rapid one-touch alerts in urgent situations. Whether for transportation, public safety, or utility operations, the Hytera SM20A2 enhances control, comfort, and clarity in critical communications.

Technical Specifications

Dimensions 8.8” x 2.7” x 2”
Weight 12 oz
Color Black
Radio Accessory Connector 10-Pin
PTT Key Yes
Emergency Key Yes
Microphone Sensitivity -21±3 dB @ 1 kHz 3.0 V 2.2 K
Speaker Power 30 mW (rated) 50 mW (max.)
Speaker Impedance 150 Ω±15% @ 1 kHz
Speaker Frequency Response 125±4 dB @ 1 kHz at 50 mW
Certification CE
Operating Temperature -22ºF to 149ºF
Storage Temperature -40ºF to 185ºF
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