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We report 10Gb/s data transmissions using a packaged two-section InGaAsP/InP distributed Bragg reflector (DBR) laser.The tunable DBR laser has a wavelength tuning range of 12.12nm.The DBR laser has greater than 10.84GHz 3-dB direct modulation bandwidth within the wavelength tuning range.The 10Gb/s data transmissions are performed at up to a distance of 30-km.