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RFD900ux SMT Modem

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Price:
$AUD 84.50
SKU:
MODEM-RFD900ux-SMT
Weight:
0.01 KGS
Shipping:
Calculated at checkout
Quantity:


Product Description

RFD900ux SMT New Features:

  • Surface Mountable (SMT) Module designed for direct mounting onto a PCB
  • Fully compatible with RFD900x modems.
  • Air data rate up to: 500kbit/s. 
  • AES Hardware accelerated encryption.
  • RC PPM Passthrough with telemetry at the same time.
  • SiK point to point firmware.
  • Asynchronous multi-point firmware, Synchronous multi-point firmware.

Features:

  • Long range >40km depending on antennas and GCS setup
  • 2 x RF port edge pads, diversity switched.
  • 1 Watt (+30dBm) transmit power.
  • Transmit low pass filter.
  • > 15dB Low noise amplifier, high IP3.
  • RX SAW filter.
  • All I/O ESD protected and filtered.
  • Re implemented SiK and Multipoint SiK firmware, field upgradable, easy to configure.
  • Small, light weight.
  • License free use in Australia, Canada, USA, NZ
  • Note: Not compatible with 900+ modems

 Interfaces:

  • RF : 2x RF ports on board edge
  • Serial: Logic level TTL (+3.3v)
  • Power: +5v, ~800mA max peak (at maximum transmit power)
  • GPIO: General purpose IO (Digital, ADC, PWM capable). 

Specifications:

  • Frequency Range:  902 - 928 MHz (USA) / 915 - 928 MHz (Australia)
  • Output Power: 1W (+30dBm), controllable in 1dB steps ( +/- 1dB @=20dBm typical )
  • Air Data transfer rates: 12, 56, 64, 100, 125, 200, 224, 500 and 750 kbit/sec (User settable, 64kbit default)*
  • UART data transfer rates: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 1M baud (User settable, 57600 default)*

*note these values are correct as of version 3.07 SiK firmware

  • Output Power: 1W (+30dBm)
  • Receive Sensitivity: >121 dBm at low data rates, high data rates (TBA)
  • Size: 21 mm (wide) x 29 mm (long) x 4.2 mm (thick) - Including RF Shield and PCB.
  • Weight: 3.5g
  • Mounting: SMT Soldered
  • Power Supply: +5 V nominal, (+3.5 V min, +5.5 V max), ~800 mA peak at maximum power
  • Temp. Range: -40 to +85 deg C

Software / GCS Support:

The software solution is an open source development called "SiK".  It has been re implemented to suit the new processor architecture available on the 32bit ARM processor core.  A boot loader and interface is available for further development and field upgrade of the modem firmware via the serial port.

Most parameters are configurable via AT commands, Eg. baud rate (air/uart), frequency band, power levels.

Integrated support for configuring the RFD900 radios is supported by APM Planner.

The default settings are at 57600 baud, N, 8, 1, and 64k air data rate.

The RFD900ux manual is here: RFD900ux Manual

The RFD900ux SiK software manual is here : RFD900x Peer-to-peer Manual

Software features include:

  • Frequency hopping spread spectrum (FHSS)

  • Transparent serial link

  • Point to Point, or Multipoint networking

  • Configuration by simple AT commands for local radio, RT commands for remote radio

  • User configurable serial data rates and air datarates

  • Error correction routines, Mavlink protocol framing (user selectable)

  • Mavlink radio status reporting (Local RSSI, Remote RSSI, Local Noise, Remote Noise)

  • Automatic antenna diversity switching on a packet basis in realtime

  • Automatic duty cycle throttling based on radio temperature to avoid overheating 

Compliance:

The RFD900 is designed to be compliant with the following standards:

  • FCC Part 15.247 (Frequency hopping and digitally modulated intentional radiators)
  • AS/NZS 4268:2012 (Radio equipment and systems - short range devices)

The modem is designed for system integrators who will integrate the modem into their own projects and product prototypes.  The user is responsible for compliance with local regulations for radio transmitters.

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