Hytera SM25A1 Remote Speaker Microphone with Display Advanced control and monitoring for Hytera mobile and base station radios. The Hytera SM25A1 is a high-performance remote speaker microphone designed for Hytera mobile and base station radios. Featuring a built-in LCD display and limited keypad, it allows users to monitor radio status, view channel information, and manage basic functions directly from the handset. The IP54 rating provides reliable protection against dust and water splashes, and the 2W internal speaker delivers clear audio in high-noise environments. A 7-foot (3m) coiled cable provides ample reach for vehicle-mounted setups. Key Features & Benefits Integrated LCD Display: View real-time radio status, channel aliases, and system notifications at a glance. Limited Keypad: Simplifies channel switching and menu navigation for efficient operation. High-Power Audio: 2W rated (3W max) speaker for clear audio over vehicle or engine noise. Dedicated Emergency Key: Quick-access orange button for immediate distress signaling. IP54 Rated: Resistant to dust and water splashes for reliable field use. Heavy-Duty Coiled Cable: 7-foot (3m) extended length for versatile vehicle mounting. Specifications Attribute Details Brand Hytera Model / SKU SM25A1 Connector 10-Pin IP Rating IP54 Speaker Power 2W (Rated) / 3W (Max) Microphone Sensitivity −42 ±3 dB @ 1 kHz Dimensions 92.8 × 62.5 × 32.1 mm Weight ~160 g Operating Temperature −30°C to +60°C Country of Origin China Compatibility Model Type MD652i, MD652iG Hytera Mobile Radio HM652, HM682 Hytera Mobile Radio HR652 Hytera Repeater What’s Included Description SKU/Model Status Remote Speaker Microphone with Display SM25A1 Included Coiled Cable (7 ft / 3m) — Included Compatible Mobile Radio — Sold Separately Recommended Accessories Replacement Parts Hytera HYT-5105030000056A Replacement Coil Cord for SM25A1 — Genuine replacement coil cord for the SM25A1 remote speaker microphone. Frequently Asked Questions What is the difference between the SM25A1 and a standard RSM? Unlike a standard remote speaker microphone, the SM25A1 includes a built-in LCD display and limited keypad. This allows the user to view channel aliases, radio status, and system notifications, and to perform basic channel switching and menu navigation directly from the handset without reaching for the radio. Which Hytera radios are compatible with the SM25A1? The SM25A1 is compatible with the Hytera MD652i, MD652iG, HM652, HM682, and HR652. Contact Atlantic Radio to confirm compatibility with other Hytera mobile or base station models. Is the SM25A1 waterproof? The SM25A1 carries an IP54 rating, meaning it is protected against dust ingress and water splashing from any direction. It is not rated for submersion. For fully waterproof requirements, contact Atlantic Radio for alternative options. Warranty Covered by a 1-year manufacturer’s warranty.
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