ROVER R-4 UHF Two-Way Radio – Reliable Communication for Security & Commercial Use

Description ROVER R-4 UHF Professional Two-Way Radio – Efficient Communication for Security and Commercial Teams The ROVER R-4 UHF Two-Way Radio is a high-performance communication device designed to provide seamless, dependable, and professional-grade connectivity for security personnel, commercial teams, and operational staff in diverse environments. Engineered for clarity, durability, and multi-channel functionality, this radio is ideal for organizations that require organized and reliable communication across large spaces or multiple teams. With robust UHF signal coverage, clear audio transmission, and versatile operational modes, the ROVER R-4 ensures that your team remains connected indoors and outdoors, across offices, construction sites, commercial facilities, and residential complexes. Its compact, ergonomic design and removable antenna make it a practical choice for daily professional use. Technical Specifications Feature Description Model ROVER R-4 Professional UHF Two-Way Radio for consistent and secure wireless communication Frequency Range 400–480 MHz UHF for extended reach and stable performance across indoor and urban environments Channels Supports up to 128 channels for organized team communication and multi-group coordination Antenna Impedance 50Ω for consistent signal reception and transmission Operating Voltage DC 4.2V (Maximum 4.5V) to ensure safe and stable operation Communication Mode Supports both same-frequency simplex and different-frequency simplex for versatile operation Antenna Type Removable antenna for easy maintenance and replacement flexibility Frequency Stability ±2.5 ppm to maintain precise and reliable signal quality Temperature Range Works efficiently in extreme temperatures between -20°C and 40°C Dimensions 91 × 61 × 30 mm – compact and portable for ease of handling Weight 133 g (excluding antenna) – lightweight for comfortable prolonged use Power Consumption Feature Description Transmission Current ≤1.3A to provide strong and reliable broadcasting Low-Power Mode 0.6A to conserve energy during light communication Standby Consumption ≤0.4A for extended battery life during idle periods Transmission and Audio Performance Feature Description High Power Output 2W ±0.2W ensures wide coverage with clear and consistent communication Low Power Output 0.5W ±0.1W allows short-range transmission while saving battery Modulation F3E (FM) modulation delivers clear and stable audio quality Max Frequency Deviation (Wide Band) ≤5 kHz for optimal clarity in wide-band mode Max Frequency Deviation (Narrow Band) ≤2.5 kHz for efficient spectrum utilization Stray Radiation ≤7.5 µW to reduce interference with nearby devices Adjacent Channel Protection 65 dB / 60 dB for minimal cross-channel interference Receiving and Audio Capabilities Feature Description Receiving Sensitivity (Wide Band) ≤0.2 µV ensures reliable signal reception in wide-band mode Receiving Sensitivity (Narrow Band) ≤0.25 µV for clear reception in narrow-band operations Audio Output ≤1W (8Ω) produces loud and intelligible sound Audio Distortion ≤10% to maintain clear voice transmission Clutter Suppression ≥65 dB reduces background noise and enhances communication clarity Key Benefits Benefit Description Efficient Communication Enables fast, smooth, and uninterrupted voice transmission Enhanced Team Coordination Multi-channel support allows seamless coordination between multiple teams or departments Error Reduction Clear audio minimizes miscommunication and operational mistakes Long-Lasting Performance Built for daily professional use in demanding environments Multi-Purpose Use Suitable for security, commercial operations, construction sites, educational institutions, and hospitality Recommended Applications Sector / Use Case Use Case Description Security Reliable and instant communication for security guards and teams across offices, malls, and residential communities Commercial Offices Supports efficient communication among staff in corporate buildings, warehouses, and service centers Construction Sites Maintains coordination among workers and supervisors in large-scale construction or industrial sites Educational Institutions Enables campus security, administration, and staff teams to communicate efficiently Hospitality & Services Facilitates seamless operations for hotels, resorts, restaurants, and maintenance teams Residential & Villas Supports facility management and security in residential communities and private complexes Maintenance & Facility Management Helps technical and operational staff stay connected for quick response and task coordination