Hytera SM25A1 MD655 & MD785 Remote Speaker Microphone with LCD

1. New ergonomic design for comfortable operation; 

2. Channels and volume are adjustable per actual need; 

3. LCD display for radio status minitoring; 

4. Complied with IP54 standard. 

Speaker specifications: 

1) Sound pressure level: 97±3dB (300 to 3000Hz average 1W, 30cm) 

2) Impedance: 20Ω±15%@1kHz 

3) Power: 2W(rated) /3W(max) 

Microphone Specifications: 

1) Sensitivity: -23±2dB@1kHz 3v 4.2k 0dB=1v/Pa 

2) Output Impedance:  ≤2.2kΩ 

Operation Temperature: -30 to 75°C 

Storage Temperature: -40 to 85°C 

PTT key life ≥ 100000 

IP class: IP54