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Silvus StreamCaster 4400 4x4 MIMO Radio

Communication & Data Links

Description

A powerful 4x4 MIMO tactical radio designed for extended-range missions in contested environments. It delivers exceptional throughput and link stability over long distances using TX Eigen Beamforming and spatial multiplexing, with high output power (up to 80 W effective) and flexible integration options for demanding field environments.

About the Company

UKRSPECSYSTEMS

UKRSPECSYSTEMS is an unmanned systems, software, and hardware developer specializing in VTOL and fixed-wing UAVs, camera gimbals, and UAS components for military, border control, and commercial app...

Core Information

Serving industries
Air Ground Maritime Surface
Product status
In Production
Name
Silvus StreamCaster 4400 4x4 MIMO Radio
Model number / Variant
SC4400E

Product Classification

Link roles
Command & Control (C2) Telemetry Video Downlink Payload/Data Offload Swarm/Mesh Networking Backhaul/Relay
System type
RF Radio Mesh Radio Software-Defined Radio (SDR)
Supported platform classes
sUAS UAS (MALE/HALE) UGV USV/Surface Vessel Ground Control Station Fixed Infrastructure/Pole/Mast Payload Module
Operating environment
Airborne Ground Maritime Surface
Link topology
Point-to-Point Point-to-Multipoint Mesh Star Relay/Repeater
LOS/BLOS capability
LOS NLOS BVLOS
Duplexing modes
Full-Duplex

Frequency & Spectrum

Regional spectrum compliance
FCC (US) CE/ETSI (EU) Other
Maximum TX power (dBm)
43
Receiver sensitivity (dBm)
-97
Frequency bands
300 MHz – 6 GHz
Frequency agility/hopping
Channel bandwidths (MHz)
5 10 20
Spectrum licensing
Licensed

Data & Performance

Modulation/Coding
OFDM
QoS features
Adaptive Bitrate
Maximum throughput (Mbps)
100
Typical latency (ms)
7
Range conditions
Extended-range missions using TX Eigen Beamforming and spatial multiplexing
MIMO/Spatial streams
4

Interfaces & Protocols

Physical interfaces
Ethernet (RJ45) USB-A Serial UART
Network protocols
IPv4 UDP TCP
Control/Telemetry protocols
Proprietary
Antenna connectors
TNC
Number of antenna ports
4

Security

Anti‑jam/Resilience features
FHSS DSSS Beamforming Adaptive Frequency Selection
Tamper and security hardware
Secure Storage
Export control classification
EAR99
Encryption standards
DES56 AES-256
Authentication methods
Pre-Shared Key (PSK)
Key management
Pre-Shared

Power & Physical

Power options
DC Battery
Mounting options
Airframe/Internal External Pod Rail/Bracket Vehicle Mount Mast/Pole
Dimensions (mm)
101.6 x 66.8 x 38.35
Operating temperature (°C)
-40 to +85
Input voltage range (V)
9-36
Ingress protection (IP rating)
IP68
Environmental standards
MIL-STD-810
Weight (g)
425
Power consumption (W)
65
Shock/Vibration standards
MIL-STD-810

Software & Management

Configuration methods
Web UI CLI/Serial
Network management features
Health Monitoring/Alarms
Cloud connectivity
Private/On-Prem
SDR/Edge programmability
OTA firmware updates
Telemetry/Integration
Proprietary

Compatibility & Integration

Interoperability standards
Proprietary
Integration notes
Available in multiple form factors: Hardened Enclosure (straight/angled RF connectors) for vehicle/mobile platforms and OEM Module for embedded UAV/sensor payload integration

Certifications & Compliance

Certifications/Marks
FCC CE
Spectrum approval regions
US EU