Hytera SM18A4 Remote Speaker Microphone for Car Kit CK03 Series | Special Order
The Hytera SM18A4 Remote Speaker Microphone is designed for reliable in-vehicle communications when used with compatible Hytera car kits. It features a built-in speaker and microphone, a dedicated PTT key, and an emergency alarm button, making it ideal for mission-critical mobile radio operations.
Key Features
Remote speaker microphone optimized for vehicle installations
Compatible with Hytera CK03 series car kits
Integrated PTT for instant push-to-talk communication
Emergency alarm button for critical situations
Clear audio output for noisy in-vehicle environments
Durable construction with IP54 dust and splash protection
Technical Specifications
Model
SM18A4
Accessory Type
Remote Speaker Microphone
Dimensions
86.3 × 62.1 × 43.8 mm
Weight
Approx. 150 g
Color
Black
PTT Key
Available
Emergency / Alarm Button
Yes
Connector
10-pin connector
Microphone Sensitivity
-42 ±3 dB @ 1 kHz, 3.0 V, 2.2 kΩ (0 dB = 1 V/Pa)
Speaker Power
1.5 W (rated); 2.5 W (max.)
Speaker Impedance
16 Ω ±15% @ 1 kHz
Speaker Frequency Response
78 ±4 dB @ 1 kHz (1.5 W / 30 cm)
IP Rating
IP54
Operating Temperature
-30℃ to 70℃
Storage Temperature
-40℃ to 85℃
Compatibility
CK03
CK03-E
CK05
Typical Applications
Public safety and emergency response vehicles
Law enforcement and security patrol cars
Utility, transport, and logistics fleets
Mobile radio installations requiring remote audio control
