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Method and system for rf communication frequency arbitration
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Rf/power line diversity system
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Digital telephony carrier current system
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Multi-channel wireless speaker system using multiplexed channel combining and frequency diversity
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Distribution system for external communication signals and data
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Power line carrier data connection with built-in modem in the base unit
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Digital wireless phone/modem jack capable of communications over the power lines using differential binary phase shift keying (DBPSK)
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Method and system for combining wireless phone jack and RF wireless communications
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Method and system for distribution of wireless signals for increased wireless coverage using power lines
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Conversion and distribution of incoming wireless telephone signals using the power line
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Secure access telephone extension system and method
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System and method for transmission of audio signals to remote locations using a power line carrier
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Wireless modem jack
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Wireless telephone connection surge suppressor
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Caller identification system for wireless phone jacks and wireless modem jacks
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Secure cordless telephone extension system and method
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Power line communications system
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Method and system of telephonic extension for safety access.
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Wireless communication system
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Secure access telephone extension system and method
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