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VHF Bi-Directional Amplifier (BDA) Tetra Repeater System/ Digital 380MHz BDA System

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VHF Bi-Directional Amplifier (BDA) Tetra Repeater System/ Digital 380MHz BDA System

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Noise Figure : 8dB

Brand Name : ATNJ

Model Number : DS-Tetra380-33

Certification : CE,ROHS，CCC，TUV,BV， ISO

Place of Origin : China

MOQ : 5Pcs

Price : USD+800+PCS

Supply Ability : 1000+unit+per day.

Delivery Time : 45 work days

Packaging Details : Standard neutral packing

VSWR : ≤1.8

Power Supply : AC100/ 240V

Output Power : UL: 20±2 dBm, DL:33±2 dBm

EVM : 8%

Payment Terms : T/T,Western Union,Paypal,Bank transfering

Type : Tetra repeater

380MHz Frequency Range : UL380-385MHz,DL390-395MHz

Gain : UL:80±2 dB,DL:85±2 dB

Network Protocols : TETRA/P25/DMR/GSM/WCDMA/LTE/NR/WiFi

Bands Support : VHF, UHF, N71, N28, N5, N20, N8, N66, N3, N1, N40, N7, N78, N77, N79

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Tetra Band-Adjustable Digital Repeater System / Digital 380MHz BDA System
Digital Tetra BDA Band Selective Repeater System

Tetra Digital Repeater is a telecommunications device used to extend the coverage range of Very High Frequency (Tetra: 30-300 MHz) digital radio communication systems.

Core Functions
  • Signal Reception: Receives weak/attenuated digital radio signals within the Tetra band from user equipment
  • Digital Processing: Decodes, regenerates, and error-corrects the digital signal
  • Signal Retransmission: Rebroadcasts the cleaned digital signal at higher power to distant or obstructed areas
Key Advantages
  • Extended Coverage: Overcomes terrain obstructions and Tetra range limitations
  • Signal Integrity: Regeneration prevents noise/error accumulation, maintaining voice/data quality
  • Spectral Efficiency: Supports digital modulation, enabling multiple users on one frequency
Features
  • Digital filtering supports adjustable bandwidth, each band supports three sub-bands
  • Each sub-band is turned on and off, and gain control is performed separately
  • Donor signal monitoring for easy optimization and troubleshooting
  • Intelligent algorithm to prevent UL interference
  • Self-control to minimize interference for new rollout e-Node B
Technical Specifications
Items Specifications
System Tetra
Frequency Range Uplink(Rx): 380-385MHz
Downlink(Tx): 390-395MHz
Bandwidth ≦ 20MHz/0.2MHz
Maximum Output Power Uplink: 20±2dBm
Downlink: 33±2dBm
Maximum Gain 80±3dB
AGC Range ≥20dB
Maximum Input power (Non-Destructive) ≤-10dBm
VSWR ≤ 2.4
System Delay ≤ 6 μs
I/O Impedance 50 Ω
Noise Figure ≤ 8dB
Spurious Emission 9kHz~1GHz: ≤ -36dBm
1GHz~12.75GHz: ≤ -30dBm
Third-order Inter-Modulation ≤ -40dBm
RF Connector 2*N-Female
Power Consumption ≤ 30W
Power Supply Input: AC100~240V, 50/60Hz
Dimensions 450*335*180mm
Weight ≤ 12kg
Alarm Monitoring System Alarm for Uplink Self-Oscillation
Isolation Detection Isolation Check During Boot Time
Operating Temperature -10 ~ +50 °C
Application Indoor or Outdoor (IP65)
Relative Humidity Range ≤95% (Non condensing)
Mounting Wall Mounting
Product Images
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Frequently Asked Questions
  • Are you a trading company or manufacturer? Can I use our own logo and label?
    We are the factory with good trading service. We provide OEM/ODM service.
  • Can I have a sample order? What is your MOQ?
    Yes, we welcome sample orders to test and check quality. MOQ is 1 for normal products.
  • Is it easy to set up your items?
    Yes. We provide a user manual and support technical support 24/7.
  • What is your warranty time?
    We promise 3-year warranty for all products shipped from us. Man-made sabotage and natural factors are not within the scope of warranty.
  • What are your certificates?
    We have CE, ROHS, CCC, and other certificates.
  • How can I get more information?
    Please feel free to contact us if you have any other questions.
Contact Us: Please feel free to reach out for technical specifications, pricing, or any other inquiries about our Tetra Digital Repeater Systems.

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