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 |
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.