Palm Microphone with Keypad for the MD782i and RD982i.
1 year manufacturer's warranty.
Model No.: SM19A1
-Large-sized and ergonomical keys
-Multiple keys available for programming based on your preferences
-Emergency alarm capability at one-button operation
-Electret design delivers crisp and clear voice
-10 Pin aviation interface for secure connection
-Sensitivity: -26±3dB @1KHz (0dB＝1v/Pa)
-Output impedance: ≤2.2kΩ
-Size: 97.0*64.0*39.4 (mm)
-Weight: about 170.0g