MOL2000T Optical Link – High-Performance Analog Signal Transmission Reliable, Variable-Gain Optical Transmission for RF & EMC Applications The MOL2000T Optical Link by Montena is a high-performance, variable-gain optical transmission system designed to transmit analog electrical signals from 80 Hz to 3.5 GHz over long distances in harsh electromagnetic environments. With its advanced automatic optical level control and remote-controlled gain settings, the MOL2000T ensures optimal signal integrity, stability, and adaptability for EMC testing, RF applications, and high-voltage environments. Key Features & Benefits Wide Frequency Bandwidth: 80 Hz to 3.5 GHz Variable Gain Control: -62.5 dB to +24 dB with 0.5 dB step adjustments Automatic Optical Level Control: Ensures stable performance despite optical losses High Immunity to Electric Fields: Tested up to 500 kV/m (MIL-STD 461 RS105) Remote Control & Supervision: Configurable via FibREmote software (PC & Android) or API commands Built-in Test Pulse Generator: 5 kHz bipolar square wave for link integrity verification Compact & Lightweight Design: 99 x 64 x 41 mm (each module), 380g per unit Flexible Powering Options: Internal LiPo batteries (40-hour autonomy) or power supply adapter Durable RF & Optical Connectivity: SMA (50Ω) RF connectors and FC/APC & ST optical connectors Technical Specifications System Performance Specification Details Bandwidth 80 Hz to 3.5 GHz (-20 dB to 0 dB gains), 80 Hz to 3.0 GHz (-50 dB to -20.5 dB, 0.5 dB to +24 dB gains) Gain Range -62.5 dB to +24 dB (adjustable in 0.5 dB steps) Gain Tolerance ±2 dB within the specified bandwidth Maximum Link Distance ~1 km Input Power 2W continuous, 10W peak (for gain ≤ -31 dB) Optical Loss Compensation Automatic (variable optical attenuator) Operating Temperature +5°C to +55°C Weight 380 g per unit Optical Transmitter (MOL2000T-TX) Specification Details Max Input Power (CW) 2W continuous, 10W peak (gain ≤ -31 dB) / 100mW (gain > -31 dB) Clamping Voltage (Pulse) 0 dB: 0.5 Vp, -20 dB: 5 Vp, -40 dB: 50 Vp, -60 dB: 350 Vp Immunity to External Fields >500 kV/m (MIL-STD 461 RS105) Battery Autonomy 40 hours (standby ~10 days) Built-in Test Generator 5 kHz bipolar square signal (250 ps rise time) RF Input Connector SMA (F) / 50Ω Optical Connectors FC/APC & ST Optical Receiver (MOL2000T-RX & MOL2000T-M-RX) Specification Details RF Output Connector SMA (F) / 50Ω Optical Connectors FC/APC & ST Control Connector Mini-USB (standalone) / USB Type A (chassis version) Battery Autonomy 36 hours (standalone version) Output Noise Floor -136 dBm/Hz (typical) Operating Temperature +5°C to +55°C Weight 380g (standalone), 240g (chassis version) System Configurations & Accessories The MOL2000T system is available as a standalone point-to-point link or a modular chassis-based system for multi-channel applications. The system is delivered with Montena FibREmote software applications running on Windows PC and Android. These applications allow simple configuration and monitoring of Montena's fibre optic links. Configurations can be stored and recalled at any time to facilitate the configuration of large measurement setups.   MODEL DESCRIPTION   MOL2000T2 Single channel point-to-point optical link, 80 Hz – 3.5 GHz, -62dB to +24dB remote controlled gain through USB, including one optical transmitter MOL2000T2-TX on battery, one optical receiver MOL2000T2-RX on battery, two battery chargers, one USB OTG cable, one FibREmote software for PC and Android, and one carrying case.   MOL2000T2-M Single channel optical link for chassis MOL-MF-xx, 80 Hz – 3.5 GHz, -62dB to +24dB remote controlled gain, including one optical transmitter MOL2000T2-TX on battery, one plug-in receiver module MOL2000T2-M-RX and one battery charger   MOL-MF-10 Chassis 19" 2U for up to 10 plug-in receiver modules, 85 - 264 V, including one power supply cable, one USB cable and one FibREmote software for PC and Android. MOL-MF-1 Converter chassis for one plug-in receiver module, including one power supply adapter 100 - 230 V with 3 mains plugs for US/Japan, Europe and UK, one USB cable and one FibREmote software for PC and Android. Enables 'stand-alone' operation of a plug-in receiver module. FO2Cxxx Dual fibre cable (signal and control), dimensions: 6 x 3 mm Available lengths are 10, 20, 50, 100, 200, 500, 1000m, xxx = the cable length   FO2Cxxx-RU Ruggedized dual fibre cable (signal and control), diameter: 5 mm Available lengths are 10, 20, 50, 100, 200, 500, 1000m, xxx = the cable length   PULSELab  PULSELab software: The system is delivered with PULSELab, a montena pulse measurement software application.   ATP10-18G  Coaxial attenuator 50 ohm, 10 dB, 1 W, 0..>18 GHz, SMA connectors   ATP20-18G Coaxial attenuator 50 ohm, 20 dB, 1 W, 0..>18 GHz, SMA connectors ATP30-18G  Coaxial attenuator 50 ohm, 30 dB, 1 W, 0..>18 GHz, SMA connectors PG100MV200P  Reference square pulse generator on battery, 5 kHz, 200 mVpp, SMA connector, with charger (110-240V)

Applications

• EMC Testing – Immune to high electromagnetic fields, ideal for MIL-STD 461 RS105 testing environments.
• RF Signal Transmission – Secure and interference-free transmission over long distances.
• Shielding effectiveness - run sweeps with a network analyzer controlling a remotoe amplifier and transmit antenna save time and make more measurements. 
• High-Voltage & Harsh Environments – Ideal for applications requiring electrical isolation in high-power systems.
• Hard-to-Reach Areas – Enables remote high-frequency signal monitoring over long distances or in restricted access zones.
• Synchronized Oscilloscope & DAQ Measurements – Allows for precise multi-location signal acquisition with fiber-optic isolation.
• Automotive & Aerospace Testing – Ensures reliable RF signal transmission in extreme environmental conditions.
• Medical Imaging & Diagnostics – Used in MRI rooms and other high-EMI medical environments for noise-free signal transmission.
• Satellite & Space Communications – Enables low-loss, interference-free RF data transmission for satellites and ground stations.
• Power Grid Monitoring & Substations – Provides safe, high-voltage isolation for grid monitoring and substation diagnostics.
• Broadcast & Live Event Production – Supports low-latency, high-frequency signal distribution for radio, TV, and live events.
• Quantum Computing & Research – Ensures secure, interference-free signal processing in quantum computing labs.
• Radar & Defense Systems – Enable secure, remote radar signal transmission in military and defense applications.
• Industrial Automation & Robotics – Provides reliable, high-speed data transfer in harsh manufacturing environments.
• Seismic & Geophysical Monitoring – Supports long-distance sensor data acquisition for earthquake detection, oil exploration, and environmental monitoring. 

Why Choose Absolute EMC?

Absolute EMC is the exclusive North American sales partner for Montena, providing expert guidance, sales support, and after-sales service for the MOL3000 Analog Optical Link. Contact us today for a quote or technical consultation.