Search for "U27"
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900MHz 2.1GHz Cellular -40°C~85°C 3.3V~4.4V GPIO, I2C, SPI, UART, USB Tape & Reel (TR) Antenna Not Included 35dBm EDGE, GPRS, HSPA, UMTS -106.7dBm 76-SMD Module
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850MHz 1.8GHz Cellular -40°C~85°C 3.3V~4.4V GPIO, I2C, UART, USB Tape & Reel (TR) Antenna Not Included 7.2Mbps 3G (AT&T) -111dBm 96-SMD Module
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U2793B-NFSH 19 datasheet pdf and RF Modulators product details from Microchip Technology stock available at Ventron
