RFD868x

The RFD868x is part of our best-selling x series of data modems; a high performance 868MHz ISM band radio modem covering the 865-870MHz frequency band.

Designed for long range data communication applications which require best-in-class radio link performance. The RFD900x radio modem - designed, tested and inspected in Australia. NDAA compliant.

Geographic versions compliant with Australian, New Zealand and United States of America standards are available.

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Models:

                  

Modem Model Maximum Transmit Power(dBm) Frequency Band/s (MHZ) Number of Channels Max Duty Cycle (%)
868x 30 868-870 1 100
868x-EU (Europe) 27/7 869.7-870 1 10/100

Please note:  The EU certified version of the 868 modems have limited operation modes, a low power (5mW) full duty cycle mode, and a high power (500mW) low duty cycle mode. The high power mode will significantly reduce data throughput due to the duty cycle restrictions. These conditions are a requirement of compliance with EU regulations and CANNOT be altered. 

 

Key Features 

 

  • Long-range data link capable of transmitting more than 40km depending on parameter settings and antennas.
  • Compatible with the MavLink environment.
  • Maximum Air data rate: 224kbit/s.
  • AES Hardware accelerated encryption.
  • Optional RC PPM or SBUS Passthrough. (SiK firmware)
  • GPIO Pin Mirroring capability. (SiK firmware)
  • RF front-end filtering.
  •  ESD-protected and filtered IO pins.
  • Firmware options available to achieve several network topologies including point-to-point SiK and Asynchronous mesh.
  • User updateable firmware and parameters
  • License-free use in European Union. (Depending on regional variants)
  • Compatibility with ux series modems.

Note:

  • The ux and x series modems are not compatible with older "a" or “+” series modems . 

Compliance: 

 

  • Regional version modems are compliant with regional regulation
  • NDAA compliant

The RFD868ux-EU is compliant with the following standards:

  • EN300 220 V3.1.1
  • EN301 489-3 V2.1.1
  • IEC 62368-1:2014

Note:

  • Regionally locked version of the modems may restrict or limit the performance and available parameter settings compared to the unlocked modems.
  • Ultimately it is up to the user to identify the radio frequency regulation applicable to their areas of operation and ensure their modems parameters are set correctly.

Specifications: 

 

Air Data transfer rates available: 

12, 56, 64, 100, 125, 200, 188 and 224 kbit/sec (User settable depending on firmware and region variant, 64kbit default)* 

UART data transfer rates: 

1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 1200000 baud (User settable, 57600 default)* 

Output Power: 

1W (+30dBm) 

Receive Sensitivity: 

>-102dBm at 12kbps*

Size: 

30 mm (wide) x 57 mm (long) x 12.8 mm (deep) - Including RF Shield, PCB and Heatsink. 

 Bare Version 30 mm (wide) x 42.5 mm (long) x 6.25mm (deep)

Weight: 

14g 

7g Bare 

Power supply: 

+5 V nominal, (+3.5 V min, +5.5 V max), ~1.2A peak at maximum power 

 

Temp. Range:  

 -40 to +85 deg C 

 

*values are correct as of version 3.57 SiK firmware

Interfaces:

 

  • RF: 2 x RP-SMA antenna connectors
  • Serial: Logic level TTL (+3.3V)
  • Power Input: +5v, ~1.2A max peak (at maximum transmit power)
  • GPIO: 6 General purpose IO (Digital, ADC, PWM capable).

Documentation:

 

RFD900x DataSheet V1.2.pdf

RFD900x Multipoint User Manual V1.0.pdf

RFD900x Peer-to-peer V3.X User Manual V1.4.pdf

RFD900x Asynchronous User Manual V1.1.pdf