Globalstar offers theBoom “O” industrial noise-canceling headset for use with the GSP-1700. With the crystal clear satellite phone quality of Globalstar, theBoom O’s patented noise-canceling technology delivers clear speech even in the noisy and harsh environments where satellite phones are used most. With theBoom “O”, you will be heard loud and clear even at a whisper.

GHB-1700 theBoom “O” Specifications:

• Sensitivity -35 dBVms
• Impedence 2,200 Ohms
• Frequency 50-20,000 Hz
• S/N ratio >70 dB