RIAB.usSystem Specifications
Technical Documentation
System Specifications
Technical specifications for RIAB Radio-In-A-Box portable FM broadcast systems. All specifications subject to configuration. Contact Kerberos International for mission-specific requirements and formal procurement documentation.
Note: Specifications represent typical system parameters. Exact figures vary by configuration and power level. Formal technical documentation available to qualified procurement contacts upon request.
RF / Transmission
Transmitter Specifications
RF & Transmission Parameters
Frequency Range
87.5 – 108.0 MHzStandard FM broadcast band, 100 kHz step tuning
Output Power
Configurable — low to high power configurations availableContact Kerberos for specific power options by mission requirement
Modulation
FM — Frequency Modulation, stereo capable
Frequency Stability
± 1 ppm or better
Spurious Emissions
Meets ITU-R BS.450 and applicable national standards
Antenna Connector
Standard RF connector — N-type or BNC depending on configuration
Antenna Type
Omnidirectional included; directional available on request
Coverage Area
Scalable by power configuration — from local area to extended regional coverage
Audio
Audio System Specifications
Audio Inputs & Processing
Audio Inputs
Microphone (XLR/TRS), Line-in (balanced/unbalanced), Digital audio
Playback Sources
MP3/WAV digital file playback, USB media, SD card
External Feed
Satellite receiver input, IP audio stream input (configuration dependent)
Audio Processing
Professional FM audio processing — limiting, pre-emphasis, stereo encoding
Pre-emphasis
50 µs or 75 µs (switchable, region-configurable)
Frequency Response
30 Hz – 15 kHz (± 0.5 dB)
Signal-to-Noise Ratio
> 60 dB
RDS / RBDS
Available — station ID, programme type, radiotext
Power
Power Supply Options
Power Input & Management
AC Mains
100–240 VAC, 50/60 Hz (auto-sensing)
Generator
Compatible with standard field generators — 12V DC input available
Solar
Solar panel input supported via DC power interface
Battery
Internal or external battery operation — runtime varies by power configuration
Power Consumption
Varies by transmitter power level — contact Kerberos for specific figures
Power Protection
Overvoltage, reverse polarity, and surge protection
Physical / Environmental
Enclosure & Environmental Ratings
Physical & Environmental Specifications
Enclosure Type
Ruggedized transit case — IP-rated, impact-resistant
Transport Configuration
Single carry case or rack-mount configuration available
Operating Temperature
-20°C to +55°C operational; -40°C to +70°C storage
Humidity
Up to 95% non-condensing
Altitude
Operational to 4,000 m ASL
Weight
Contact Kerberos — varies by configuration
Dimensions
Contact Kerberos — varies by configuration
Ingress Protection
IP54 or better for field-deployed components
Deployment
Setup & Operational Parameters
Deployment & Setup
Setup Time
Under 30 minutes from transit case to on-airTrained operator, standard conditions
Operator Requirement
Single operator capable — no specialist RF engineer required for basic operation
Control Interface
Front-panel controls; remote monitoring interface available
Monitoring
Forward power, reflected power, audio level metering
Antenna Deployment
Telescoping mast or tripod mount included
Cabling
All interconnect cabling included and pre-labelled
Documentation
Operations manual, quick-start guide, and technical reference included
System Configurations
Available Configurations
RIAB Standard
General-purpose portable FM broadcast
- FM transmitter — configurable power
- Omnidirectional antenna and mast
- Microphone and line-in audio inputs
- MP3/digital playback capability
- AC/DC power supply
- Ruggedized transit case
- Full documentation package
Baseline configuration for most humanitarian, emergency, and civil-military deployments.
RIAB Extended
Enhanced capability for sustained operations
- All Standard configuration components
- Extended battery / solar power option
- RDS encoder for station identification
- Additional audio sources and mixer
- Remote monitoring capability
- Spare parts kit
- Extended technical support package
Recommended for longer-duration deployments and operations requiring unattended or semi-attended broadcast.
RIAB Network
Multi-transmitter coverage network
- Multiple RIAB units — coordinated frequency plan
- IP audio distribution for synchronized content
- Network management interface
- Expanded coverage area
- Centralized audio source with distributed transmitters
- Full network documentation and frequency coordination
For large-area coverage requirements — refugee camp complexes, disaster zones, or multi-site military information operations.
Compliance & Procurement
Standards & Procurement Information
Compliance, Export & Procurement
FM Broadcast Standards
ITU-R BS.450, ITU-R BS.412, and applicable regional standards
EMC / Emissions
Designed to meet applicable EMC standards for the intended deployment region
Export Compliance
ITAR/EAR compliance supported — contact Kerberos for export licensing guidance
Procurement Channels
Available through direct procurement, UN procurement, and government acquisition channels
Country of Origin
Contact Kerberos International for country of origin documentation
Warranty
Standard warranty included — extended warranty available
Ready to Procure?
Contact Kerberos International for formal technical documentation, configuration recommendations, and procurement pricing. Export inquiries welcome.