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📣 Firmware Update Release:
Firmware Version v0.20 is now released! Please follow the link here or update via Cloudloop Device Manager.

RockFLEET Assured Specification

Communications​

NMEA0183 versionNMEA2000 Version
InterfacesRS485 based Rx and Tx with full RockBLOCK PRO AT command set supportNEMA2000 for ADU to BDU comms only.
IMTData transfer packet size flexible from 25 to 100,000 bytesNo external comms available.
A-PNTIntegrated Iridium PNT moduleIntegrated Iridium PNT module
Supported MessagesPosition reports, alerts (geofence/power/tamper as configured), and additional operational payloads (size/rate profile configurable)Position reports, alerts (geofence/power/tamper as configured)

Physical​

Above Deck UnitBelow Deck Unit
Size201 mm diameter, 125 mm height300 x 270 x 194mm
Weight1,460 g (antenna + mounting bracket)4.9kg
Form FactorUV stable plastic radomeRugged equipment case

Dimensional drawings + 3D CAD​

Not currently available.

Environmental​

Above Deck UnitBelow Deck Unit
IngressIP67IP20 (Indoor use only)
Operating Temperature-40°C to +70°C, <95% RH0°C to +40°C, <95% RH

Electrical & Power​

Above Deck UnitBelow Deck Unit
Voltage15VExternal Supply voltage 24V d.c.
Power consumption20W30W (10W BDU + 20W ADU)
Battery back up12ah LiFePo for up to 4 days standalone operation. (Optional)NONE

Cable and connector specification​

ADU end cable mount socketMulticomp PRO MP007698
BDU end cable mount plugMulticomp PRO MP007706
Recommended power/data cable for BDU-ADU connectionTensility 30-02485 6 way, 2x power 20AWG, 2x data pair
A-PNT Position Accuracy

Dynamic position accuracy varies by latitude. Iridium satellites have closer spacing at higher latitudes, resulting in improved accuracy nearer the poles.

LocationLatitudeMedian Accuracy95th/97.5th Percentile
Norway69° N25 m<50 m (95%)
Red Sea19° N42 m<200 m (97.5%)

BDU Further information​

  • Supplied fitted with Raymarine Axiom+ 9 Chartplotter.
  • Housed in Explorer 2717.G E protective case.
  • Removable lid.
  • Powered via 2.1mm barrel connector socket. Centre pin positive.
  • 3A 5x20mm replaceable fuse.
  • External Supply voltage 24V d.c. (Supplied with Mains-24V d.c. adaptor with UK, US, EU and AU pin options)
  • System power consumption. Plotter and Assured ADU 30W
  • 6+PE WA Female Panel Mount connector (internal thread) for power (15V) and NMEA2000 comms with Assured ADU.
  • NEMA2000 for ADU to BDU comms only. No connectivity to other systems.
  • Built in 24V to 15V dc-dc converter.
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These documents are intended to provide early access information to interested parties during the development process. Whilst we strive to maintain accuracy, any part of the specification or design of these products may change without notice. These documents were last reviewed for accuracy on 18th Mar 2026.