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HMR-143 Manufacturer NEC Specifications:

• Manufacturer: NEC (Nippon Electric Company, Ltd.)
• Model: HMR-143
• Type: Hybrid Microwave Radio (HMR) system
• Frequency Range: Typically operates in licensed frequency bands (e.g., 6 GHz, 7 GHz, 8 GHz, 11 GHz, 18 GHz, etc.)
• Capacity: Supports multiple E1/T1 circuits (e.g., up to 16x E1 or equivalent)
• Modulation: Adaptive modulation (e.g., QPSK, 16QAM, 64QAM, 256QAM)
• Interface: Includes E1/T1, Ethernet (FE/GE), and optional SDH/SONET interfaces
• Transmit Power: Adjustable (varies by frequency band and regulatory limits)
• Spectral Efficiency: Optimized for high-capacity transmission
• Compliance: Meets ITU-T, ETSI, and regional regulatory standards

Descriptions:

The NEC HMR-143 is a high-capacity, point-to-point microwave radio system designed for reliable wireless transmission in telecom and enterprise networks. It supports hybrid traffic (TDM and IP) with advanced features for network flexibility and efficiency.

Features:

• Hybrid Traffic Support: Combines legacy TDM (E1/T1) and modern IP (Ethernet) traffic.
• Adaptive Modulation: Dynamically adjusts modulation for optimal performance under varying conditions.
• Hitless Radio Link Switching (HLS): Ensures zero packet loss during failover.
• Advanced OAM: Integrated management via NEC’s network management systems.
• Compact Design: Suitable for both indoor and outdoor deployments.
• Low Latency: Optimized for real-time applications.
• Security: Supports encryption and authentication protocols.

For exact specifications, refer to NEC’s official documentation or datasheets.