Welcome to Globalstar USA


Installation Kit Auxiliary Battery Charger Vehicle Charger Bluetooth Adaptor Lithium-ion Battery Data Kit Headset	Freedom to communicate 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. Hear an audio sample of theBoom microphone recorded inside a Blackhawk helicopter. [ CLICK HERE ] to hear the audio clip now. GHB-1700 theBoom "O" Specifications: Sensitivity -35 dBVrms Impedance 2,200 Ohms Frequency 50-20,000 Hz S/N ratio >70 dB