Home>Duplexer>VR-125D VHF 136-174MHz 25W Cavity Duplexer for Commercial Radio Repeater Systems
VR-125D VHF 136-174MHz 25W Cavity Duplexer for Commercial Radio Repeater Systems

VR-125D VHF 136-174MHz 25W Cavity Duplexer for Commercial Radio Repeater Systems

Item NO.: VR-125D
Inquiry
Industrial B2B Support
Professional wireless infrastructure for global distributors and system integrators.
  • ✓ OEM/ODM Excellence: Custom firmware and private labeling.
  • ✓ Bulk Fulfillment: Priority lead times and inventory stability.
  • ✓ Technical Support: Direct engineer-to-engineer assistance.
  • ✓ Global Compliance: Certified hardware for regulated markets.
FCC
CE RED
RoHS
ISO

Detail

  • MID-POWER FLEET MANAGEMENT: Configured for high-duty continuous transmission up to 25W, preventing thermal runaway.
  • THERMAL DRIFT PROTECTION: Internally fitted with premium Invar temperature control elements to withstand unconditioned enclosures.
  • LOW REPEATER INSERTION LOSS: Keeps passband transmission loss strictly below 1.0dB, maintaining pristine coverage layout.
  • B2B PROCUREMENT ASSURANCE: Custom tuned by factory network vector sweeps according to your specific TX/RX frequency separation parameters.
VR-125D SPECIFIC | ENTERPRISE & BUSINESS RELAYS | VHF 136-174MHz | PREMIUM ISOLATION
25W Enterprise Radio Infrastructure

VR-125D | VHF 25W Cavity Duplexer.

The industry standard mid-power duplexer for commercial land mobile radio networks. Manages up to 25 Watts continuous transmit load with ultra-low thermal drift.

VR-125D VHF 136-174MHz 25W Commercial Cavity Duplexer
136-174 MHz VHF Core Band
25 Watts Continuous Rating
≤ 1.0 dB Ultra-Low Passband Loss
Invar Rods Thermal Stability
Commercial Fleet Deployments

Silver-Plated Resonators.
Zero Frequency Shifting.

The VR-125D incorporates high-Q internal silver-plated copper loops to achieve less than 1.0dB passband insertion loss. Perfectly tuned for agricultural dispatch systems, provincial tracking infrastructure, and medium-scale public transit grids.

📦 Target B2B Application Matrix
  • Medium-Power Base Relays: Drives enterprise site repeaters with high efficiency.
  • Forestry Operations: Provides continuous coverage under fluctuating high and low temperature shifts.
  • Commercial Land Mobile (LMR): Integrates smoothly with MotoTRBO or Kenwood business radio hubs.
VR-125D VHF 25W Cavity Duplexer Insertion Sweep Table

Technical Specifications

Parameter Specification Value
Model Number VR-125D
Frequency Range 136 – 174 MHz (VHF)
Power Handling 25 Watts Max
Insertion Loss ≤ 1.0 dB
TX/RX Isolation ≥ 75 dB
Tuning Compensation Internal Invar Thermal Stabilization

You May Also Like

  • VR-450D UHF 400-480MHz 50W Heavy-Duty Cavity Duplexer for Commercial Repeaters VR-450D UHF 400-480MHz 50W Heavy-Duty Cavity Duplexer for Commercial Repeaters
    HEAVY-COMMERCIAL REJECTION: Rigid copper inner circuits create an impenetrable 80dB notch boundary against co-site bleed. 400-480MHz EXTENDED TUNING: Captures high-power industrial enterprise search terms with flawless spectrum accuracy. ULTRA-LOW LINE ATTENUATION: Stays locked below 1.0dB, ensuring your 50W base station works at full coverage potential. ISO 9001 BULK ORDERING: Fully supported with customized packaging, brackets, and custom cabling for global procurement.
  • VR-110D VHF 136-174MHz 10W Mobile Cavity Duplexer for Compact Radio Repeaters VR-110D VHF 136-174MHz 10W Mobile Cavity Duplexer for Compact Radio Repeaters
    COMPACT VEHICULAR DESIGN: Form-engineered to slide into tight spaces, making it perfect for mobile command vehicles and field portable setups. 136-174MHz TUNING GRID: Meticulously centered across the VHF band to capture high-value forestry, marine, and emergency network long-range traffic. 75dB NOTCH SUPPRESSION: Features dense cavity filtering to prevent co-site receiver desensing under continuous transmit loads. FACTORY OEM CUSTOMIZATION: Supports bespoke frequency centering, custom splits, and alternative connector variants directly from our ISO 9001 facility.
  • VR-1100D VHF 136-174MHz 100W Base Station Cavity Duplexer for Radio Infrastructure VR-1100D VHF 136-174MHz 100W Base Station Cavity Duplexer for Radio Infrastructure
    100W BASE STATION INFRASTRUCTURE: Form-engineered to handle 100W continuous backbone loads without signal clipping. EXTREME 80dB SKIRT ISOLATION: Massive aluminum cavity walls block high-power intermodulation completely. PREMIUM INVAR COMPENSATION: Secures stable frequency grids across harsh mountain peaks and unconditioned sites. TELECOM OEM PROCUREMENT: Fully customizable with N-Female or DIN connectors according to strict network layout specs.
  • VR-4100D UHF 400-480MHz 100W Base Station Cavity Duplexer for Radio Infrastructure VR-4100D UHF 400-480MHz 100W Base Station Cavity Duplexer for Radio Infrastructure
    100W BASE STATION INFRASTRUCTURE: High-power layout designed to manage continuous 100W loads with maximum reliability. EXTREME 80dB SKIRT SUPPRESSION: Heavy-gauge aluminum cavity walls eliminate high-power co-site intermod completely. PREMIUM INVAR COMPENSATION: Secures zero frequency drift under severe seasonal rooftop shifts. INFRASTRUCTURE OEM CONTRACTS: Meticulously vector-sweep tuned prior to dispatch; full custom branding supported.
  • VR-410D UHF 400-480MHz 10W Mobile Cavity Duplexer for Compact Radio Repeaters VR-410D UHF 400-480MHz 10W Mobile Cavity Duplexer for Compact Radio Repeaters
    URBAN CAVITY SYNTHESIS: Specialized chassis layout designed to completely reject heavy commercial background interference in concrete high-rises. 400-480MHz UHF GRID: Finely centered across the entire ultra-high frequency band to catch premium security and estate management long-tail queries. LOW INSERTION ATTENUATION: Retains core signal integrity below 1.2dB, allowing small 10W transmitters to work at top efficiency. ISO 9001 BULK LOGISTICS: Shipped factory-direct with rigorous network analyzer verification for every unit ordered.
  • VR-150D VHF 136-174MHz 50W Heavy-Duty Cavity Duplexer for Commercial Repeaters VR-150D VHF 136-174MHz 50W Heavy-Duty Cavity Duplexer for Commercial Repeaters
    HEAVY-DUTY POWER HANDLING: Engineered to survive continuous high-load 50W transmissions without passband degradation. 80dB ELITE NOTCH SUPPRESSION: Absolute isolation boundaries shield highly sensitive multi-mode receiver channels perfectly. ZERO THERMAL RUNAWAY: Deep invar stabilization rods prevent any tuning drift inside hot remote relay enclosures. COMMERCIAL SUPPLY CONTRACTS: Factory sweep certified with personalized test reports provided for bulk B2B purchases.
  • VR-425D UHF 400-480MHz 25W Cavity Duplexer for Commercial Radio Repeater Systems VR-425D UHF 400-480MHz 25W Cavity Duplexer for Commercial Radio Repeater Systems
    HIGH-REJECTION UHF CAVITIES: Form-milled aluminum walls keep transmitter noise completely away from your receiver port. 400-480MHz AGILITY RANGE: Tuned effortlessly across the entire UHF spectrum to capture commercial trunking long-tail searches. LOW REPEATER PASSBAND SHIELD: Limits line insertion loss below 1.0dB, giving your infrastructure top coverage reach. VNA ALIGNMENT COMPLIANCE: Every unit undergoes exhaustive vector analysis prior to dispatch to match your precise frequency offset.