RFDesign RFD900ux Hardware User Manual Download | Manualshive

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www.rfdesign.com.au

RFD900ux Radio Modem Series

Hardware User Manual
902-928MHz frequency band

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Summary of Contents for RFD900ux

Page 1: ...www rfdesign com au RFD900ux Radio Modem Series Hardware User Manual 902 928MHz frequency band...

Page 2: ...be collocated or operating in conjunction with any other antenna or transmitter Installers must ensure that 20cm separation distance will be maintained between the device excluding its handset and use...

Page 3: ...tions 4 3 OEM Labelling 5 4 Output power levels 6 5 Performance characteristics 7 6 Pin signals and layout 9 7 Recommended PCB Design 11 8 Physical dimensions 12 9 Diversity 13 9 1 Spatial diversity 1...

Page 4: ...28MHz Outdoor RF line of site range of 40km or more depending on antennas Air data rate speeds of up to 224kbps Diversity antenna support Operating temperature of 40 to 85 degrees Celsius Dimensions o...

Page 5: ...locked 920 75MHz 927 25MHz US locked 902MHz 915MHz Interference Immunity FHSS Frequency Hopping Spread Spectrum Serial Interface Data Rate 2400 4800 9600 19200 38400 57600 115200 460kbps Antenna Conn...

Page 6: ...is not visible the following applies Equipment using the RFD 900x in the USA must display a label referring to the enclosed module This label must contain the words Contains FCC ID 2ADLE 900X Equipmen...

Page 7: ...in The RFD900ux modem can support the power levels between 0dBm and 30dBm in 1dBm steps Formula 2 1 can be used to convert the power in dBm into milliwatts 10 10 Formula 2 1 To calculate Effective Iso...

Page 8: ...igure 4 2 shows how the current through the RFD900ux varies with the transmit power level The current during transmission is shown by the High Level plot and that during receive mode is shown by the L...

Page 9: ...900ux according to the selected air data rate The link budget is directly affected by the sensitivity and therefore the communication range also varies The sensitivity values in the table are based on...

Page 10: ...debug output 3 3V 5 P3 3_EXT I O Digital I O 3 3V 6 P3 4_EXT I O Digital I O 3 3V 7 P3 5_EXT I O Digital I O 3 3V 8 GND Ground 0V 9 GND Ground 0V 10 3V3 LDO output 3 3V 11 GND Ground 0V 12 GND Ground...

Page 11: ...utput UART Data Out 3 3V 27 SIRTS_EXT Output Request to send 3 3V 28 SICTS_EXT Input UART Clear to send 3 3V 29 GND Ground 0V 30 GND Ground 0V In case there is a need to force the modem into boot mode...

Page 12: ...FD900ux Data Sheet www rfdesign com au 11 Last update 12 09 2019 7 Recommended PCB Design Symbol Dimension mm Symbol Dimension mm A 2 F 11 5 B 2 4 G 3 5 C 1 H 1 5 D 8 J 1 5 D1 7 K 21 2 E 6 6 L 0 5 E1...

Page 13: ...RFD900ux Data Sheet www rfdesign com au 12 Last update 12 09 2019 8 Physical dimensions...

Page 14: ...order of 8dB by employing a diversity scheme 9 1 Spatial diversity Spatial diversity is the case where the antennas are separated by some distance from one another It is recommended that two antennas...

Page 15: ...FD900ux thermal dissipation and electromagnetic compatibility requirements The proposed layout can be used as a starting point and it is not guaranteed to comply with EM immunity and emissions regulat...

Page 16: ...s all other radios from the RFD900x family http files rfdesign com au firmware RFD SiK firmware is standard SiK open source RFD Multipoint firmware is multipoint SiK MP SiK RFD900x Flash Programmer ht...

Page 17: ...RFD900ux Data Sheet www rfdesign com au 16 Last update 12 09 2019 12 Document revision history Version Date Changes 1 0 20 08 2019 Release document 1 1 12 09 2019 Amended VBUS pin voltage...

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