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5493693 | Tanaka et al. | Feb 1996 | |
5504939 | Mayrand et al. | Apr 1996 | |
5557657 | Barnett | Sep 1996 | |
5585850 | Schwaller | Dec 1996 | |
5657375 | Connollly et al. | Aug 1997 |
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WO 9013187 | Nov 1990 | WOX |
Entry |
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M. Isaksson, et al., "D-AMPS 1900--The Dual-Band Personal Communications System," Ericsson Review, 72, No. 2, (Jan. 1995), pp. 73-79. |