RF Design RFD 868x-EU Long Range Telemetry Modem Bundle
£196.99 (ex VAT £164.16)
The EU certified modems have limited operation modes, a low power (5mW) full duty cycle mode, and a high power (500mW) low duty cycle mode. The low power mode will significantly reduce the effective range of the system and the low duty cycle mode will significantly reduce data throughput. These conditions are a requirement of the certified modems and CANNOT be altered.
Only 2 left in stock
This is the ideal solution for long range telemetry or communications. 2 x RFD868x-EU modems with antennas for all antenna ports.
The kit consists of:
- 2 x RFD868x-EU Radio Modems
- 1 x Antenna, 868-900MHz Quarter wave monopole 2.1dBi
- 1 x Antenna, 868-900MHz Right Angle Quarter wave monopole 2.1dBi
- 4 x Antennas, 868-900MHz Half wave dipole 3dBi
- 1 x FTDI USB cable
You get a cheaper price when purchasing a whole kit !
RFD868x New Features
- New Processor, ARM 32 bit core.
- Air data rate: 500kbit/s.
- AES Hardware accelerated encryption. *Fully working*
- RC PPM Passthrough with telemetry at the same time.
- Fully ESD protected + filtered – Every IO port is protected and filtered.
- Original SiK point to point, multipoint firmware implemented.
- Asynchronous multipoint firmware, *Beta release*
Key Features
- Long range >40km depending on antennas and GCS setup *80km demonstrated by Edge Research labs on a balloon !, 57km in India, on Dipoles.
- 2 x RP-SMA RF connectors, diversity switched.
- 1 Watt (+30dBm) transmit power.
- Transmit low pass filter.
- > 20dB Low noise amplifier, high IP3.
- RX SAW filter.
- All I/O ESD protected and filtered.
- Re implemented SiK and Multipoint SiK firmware, field upgradeable, easy to configure.
- Small, light weight.
- Compatible with 3DR / Hope-RF radio modules.
- License free use in Australia, Canada, USA, NZ, Europe
Kit Contents
The kit consists of:
- 2 x RFD868x-EU Radio Modems
- 1 x Antenna, 868-900MHz Quarter wave monopole 2.1dBi
- 1 x Antenna, 868-900MHz Right Angle Quarter wave monopole 2.1dBi
- 4 x Antennas, 868-900MHz Half wave dipole 3dBi
- 1 x FTDI USB cable
Interfaces
- RF : 2 x RP-SMA connectors
- Serial: Logic level TTL (+3.3v)
- Power: +5v, ~800mA max peak (at maximum transmit power)
- GPIO: 6 General purpose IO (Digital, ADC, PWM capable).
Specifications
- Frequency Range: 868-869 MHz
- Output Power: 1W (+30dBm), controllable in 1dB steps ( +/- 1dB @=20dBm typical )
- Air Data transfer rates: 4, 8, 16, 19, 24, 32, 48, 64, 96, 128, 192 and 250, 500 kbit/sec ( User selectable, 64k default )
- UART data transfer rates: 9600, 19200, 38400, 57600, 115200, 400k, 921k baud ( User selectable, 57600 default )
- Output Power: 1W (+30dBm)
- Receive Sensitivity: >121 dBm at low data rates, high data rates (TBA)
- Size: 30 mm (wide) x 57 mm (long) x 12.8 mm (thick) – Including RF Shield, Heatsink and connector extremeties
- Weight: 14.5g
- Mounting: 3 x M2.5 screws, 3 x header pin solder points
- 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, tested operational from -73 to +123 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 RFD868/900x manual is here: RFD900x Manual
The RFD868/900x 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 RFD868 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.
| Weight | 100 g |
|---|
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Delivery Information
- Free UK Delivery for orders over £100 The free shipping method uses Royal Mail’s RM48 service, batteries are excluded.
- Same Day Dispatch For orders placed before 3PM (UK Time) Mon-Fri Excluding Bank Holidays
- Need something Urgently? Select RM special delivery during checkout to have your order delivered next working day guaranteed (assuming you order before 15:00 when we are open)
Returns Information
- 30 Day Return Period If you change your mind you have up to 30 days to return something. Must be returned in as new condition
- 180 Day Warranty For items with a manufacturer defect or an issue resulting from damage during delivery to you. Consumable items such as batteries are excluded.
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