Networked Digital Datalink – Specifications

Networked Digital Datalink Radio
Physical Dimensions
Size 180 (l) x 85 (w) x 70 (d) mm
7.08 (l) x 3.35 (w) x 2.76 (d) in
Weight 1800 g (64 oz)
Operating Modes
Transmission Frequency Hopping Spread Spectrum (FHSS),
Direct Sequence Spread Spectrum (DSSS)
Access Control Time Division Multiple Access (TDMA),
Self-Organising TDMA, 500 slots
Data & Control IEEE 802.3 Ethernet (Data & Control)
Power Supply 28V DC
Synchronization TTL Pulse
Design Requirements MIL-STD 704E
Ethernet MIL-C 38999 or MIL-C26482
Power & TTL MIL-C 38999
Radio Frequency SMA
Tunable Range
S-Band Version 300 MHz within 2.185 GHz - 2.485 GHz in
0.5 MHz steps (Extended NATO S-Band)
L-Band Version 300 MHz within 0.39 GHz -1.55 GHz in 0.5
MHz steps (Customisable)
Note Solutions are available for operation in other
frequency bands such as HF, VHF and UHF
Transmitter Section
RF Power output Maximum 23W ±10%
Programmable to ½, ¼ and 1W
Wave shaping scheme Direct Digital Synthesis (DDS)
Range 70 nautical miles A/A (130km/80 miles)
LOS (Max), without relay
Frequency Switching Digital Control
Data Rate 1 Mbit/sec (nominal)
5 Mbit/sec (max)
Receiver Section
Receiver Sensitivity <-94.5 dBm
Receiver Analog
5 MHz
Receiver Architecture Software Defined Radio
Tuning Method Digital PLL tuning
Receiver maximum
non- destructive input
<15 dBm
Tuning Step 0.5 MHz
Supported Modulation
Digital Modulation Frequency shift Keying (FSK)
Gaussian Minimum Shift Keying (GMSK)
Quadrate Phase Shift Keying (QPSK)
Binary Phase Shift Keying (BPSK/DBPSK)
Analog Modulation AM (Amplitude Modulation)
FM (Frequency Modulation)
ECCM Features
Frequency Hopping (configurable schemes),
Direct Sequence Spread Spectrum (DSSS)
Error Correction Turbo Coding
Network Capacity Dependent on update rate
Shock & Vibration MIL-STD 810 E
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