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4455-PCE10D915B Datasheet(PDF) 6 Page - Silicon Laboratories |
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4455-PCE10D915B Datasheet(HTML) 6 Page - Silicon Laboratories |
6 / 16 page EZRadio-2WayLink-DK 6 Rev. 0.1 2.2.1. Frequency and Frequency Bands The RFpico board has an on-board antenna and RF matching to provide solutions for supported frequency bands. A stand-alone antenna can also be used with the SMA connector. Different RF matchings are required for each frequency band. The range test demo automatically reads frequency band information out of the on-board EEPROM and selects the appropriate frequency range. Si4x55 devices support the following three frequency bands: Low band: 285–350 MHz Middle band: 425–525 MHz High band: 850–960 MHz The EZRadio Two Way Link Development Kits are provided for the middle and the high bands; however, the range test demo supports all the three bands. The demo can be used with low band RFpico boards as well. The range test demo provides four different selectable frequencies in all the supported bands. Table 2. lists the available frequencies. 2.2.2. Modulation User can select from three types of modulation: GFSK with high precision TX crystal (TX: 30 ppm, RX: 30 ppm) GFSK (TX: 150 ppm, RX: 30 ppm) OOK 2.2.3. Data Rate The user can select from three different data rates. Table 3 lists the available data rates. Table 2. Frequency Options for the EZRadio Two-Way Development Kit Low Middle High 289.28 MHz 433.92 MHz 867.84 MHz 289.43 MHz 434.15 MHz 868.30 MHz 305.67 MHz 458.50 MHz 917.00 MHz 316.67 MHz 475.00 MHz 950.00 MHz Table 3. Available Data Rates Modulation GFSK (both types) OOK 9.6 kbps 2.4 kbps 38.4 kbps 9.6 kbps 128.0 kbps 20.0 kbps |
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