Shenzhen Atnj Communication Technology Co., Ltd.
| Network Protocols | TETRA/P25/DMR/GSM/WCDMA/LTE/NR/WiFi |
| Repeater Output Power | UL: -10±2dBm, DL: 37±2dBm |
| Device Gain | 45±2dB |
| Power Customization | 2-20 Watt |
| RF Connector | N/Female |
| Frequency Range | 136-174MHz |
| Bands Support | VHF, UHF, N71, N28, N5, N20, N8, N66, N3, N1, N40, N7, N78, N77, N79 |
| Place of Origin | China |
| Certification | CE, ROHS, CCC, TUV, BV, ISO |
| Brand Name | ATNJ |
| Model Number | FMU37-VHF158B/FRU37-VHF158B |
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Product Specification
| Network Protocols | TETRA/P25/DMR/GSM/WCDMA/LTE/NR/WiFi | Repeater Output Power | UL: -10±2dBm, DL: 37±2dBm |
| Device Gain | 45±2dB | Power Customization | 2-20 Watt |
| RF Connector | N/Female | Frequency Range | 136-174MHz |
| Bands Support | VHF, UHF, N71, N28, N5, N20, N8, N66, N3, N1, N40, N7, N78, N77, N79 | Place of Origin | China |
| Certification | CE, ROHS, CCC, TUV, BV, ISO | Brand Name | ATNJ |
| Model Number | FMU37-VHF158B/FRU37-VHF158B | ||
| High Light | Public Safety VHF DAS ，Emergency Communication System ，Fiber Optic Repeater | ||
In emergency situations, communication failure is not an option. Firefighters, and paramedics operating in high-rise buildings, underground parking garages, and large public venues depend on uninterrupted VHF radio coverage to coordinate rescue efforts and ensure personnel safety. Our Digital VHF Optical DAS System is engineered specifically for these mission-critical public safety applications, transforming dead zones into reliable coverage areas through advanced fiber-optic signal distribution.
The system seamlessly integrates with existing Land Mobile Radio (LMR) and P25 infrastructure, converting RF signals to optical for transport over single-mode fiber. This architecture enables centralized dispatch centers to manage geographically distributed remote units covering up to 10 kilometers, ensuring first responders maintain clear voice communications regardless of their location within the coverage zone.
| Model | FMU37-VHF158B |
|---|---|
| Frequency Band | DL: 162-163MHz UL: 157-158MHz |
| Bandwidth | 25KHz (Adjustable) |
| Uplink Gain | 0±3dB |
| Downlink Gain | 0±3dB |
| Uplink Output Power | -15±2dBm |
| Downlink Optic Power | -3±2dBm/port |
| Optic Receive Sensitivity | ≤ -15dBm |
| Gain Adjustment Range | 0 - 31dB @1dB step |
| ALC Range | ≥ 20dB |
| System Delay | ≤ 1µs |
| VSWR | ≤ 1.8 |
| Noise Figure (uplink) | ≤ 6dB |
| RF Connector | 1* N(f) |
| Optic Connector | 4* FC/PC (SC/PC, LC/PC optional) |
| Power Consumption | < 250W |
| Power Supply | AC110-240V |
| Local Monitor & Control | LCD+keypad, RJ45 |
| Remote Control (Optional) | LTE Modem |
| Approx. Weight | 9kg |
| Working Temperature | -10 to +55°C |
| Application | Indoor (IP40) |
| Humidity | 5% to 95% |
| Installation | 19" Rack |
| Dimension | 480*350*88mm |
| Model | FRU37-VHF158B |
|---|---|
| Frequency Band | DL: 162-163MHz UL: 157-158MHz |
| Bandwidth | 25KHz (Adjustable) |
| Uplink Gain | 40±3dB |
| Downlink Gain | 45±3dB |
| Downlink RF Output Power | 37±2dBm |
| Uplink Optic Output Power | -3±2dBm/port |
| Optic Receive Sensitivity | ≤ -15dBm |
| Gain Adjustment Range | 0 - 31dB @1dB step |
| ALC Range | ≥ 20dB |
| System Delay | ≤ 1µs |
| VSWR | ≤ 2.4 |
| Noise Figure (uplink) | ≤ 8dB |
| RF Connector | 1* N(f) |
| Optic Connector | 4* FC/PC (SC/PC, LC/PC optional) |
| Power Consumption | < 300W |
| Power Supply | AC110-240V |
| Local Monitor & Control | LCD+keypad, RJ45 |
| Remote Control (Optional) | MU (thru fiber) |
| Approx. Weight | 24kg |
| Working Temperature | -10 to +55°C |
| Application | Indoor & Outdoor (IP65) |
| Humidity | 5% to 95% |
| Installation | Wall or Pole mount |
| Dimension | 512*461*232mm |
Located in Guangming District, Shenzhen, Shenzhen A T N J Communication is a professional RF manufacturer with 16 years of experience in R&D, production, manufacturing, sales, and technical services. Our main products include Digital LTE/NR series repeaters, SDR core boards, passive devices, Digital DAS systems, and technical solutions for Public and Private (VHF, Tetra) network base stations and wireless frequency modules.
We provide OEM and ODM services for various RF projects, including wireless repeaters, multi-frequency DAS systems, remote network management center OAM, and equipment provision for indoor and outdoor signal coverage projects.
Our digital repeaters now support 12 subbands simultaneously with local and remote control and monitoring capabilities. These products are supplied to signal operators and communication integrators worldwide, providing signal coverage solutions for residential areas, office buildings, supermarkets, basements, and rural areas.
We have successfully introduced mature digital band-selective repeaters to overseas mobile operator markets. Our product field extends to Public Safety and Low Altitude Economic construction applications, including Public and Private Network Digital Multi-subband Repeaters, wireless signal repeaters, Integrated Base Stations, civil countermeasures, and phased array radar technology.
Furthermore, we have realized Digital fiber multi-frequency, UHF, Tetra, VHF, and Microwave frequency shift repeaters. As technology progresses, we continue to develop easier-to-use, more functional, and intelligent RF products. We look forward to collaborating with you to create a brighter future together.
Ready to elevate your next project? Our R&D team is here to help you succeed. Get in touch today:
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
2010
Total Annual:
7500000-8000000
Employee Number:
95~105
Ecer Certification：
Verified Supplier
Shenzhen ATNJ Communication Technology Co.,LTD--Lead the future, connecting the infinite. Shenzhen ATNJ Communication Technology Co.,LTD is located in Shenzhen, Silicon Valley, China. We committed to the R&D, production and sales of low-altitude economy, Software Defi... Shenzhen ATNJ Communication Technology Co.,LTD--Lead the future, connecting the infinite. Shenzhen ATNJ Communication Technology Co.,LTD is located in Shenzhen, Silicon Valley, China. We committed to the R&D, production and sales of low-altitude economy, Software Defi...
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