5gnr Tdd-3.8GHz Band Selective RF Repeater
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Product Highlights
- 5G Dynamic TDD Sync: Built-in module for automatic 5G cell search and signaling processing.
- IP65 Weatherproof Design: Aluminum-alloy casing resists dust, water, and corrosion for indoor/outdoor use.
- Remote NMS Supervision: RJ45 port enables remote status monitoring and parameter download via Ethernet.
- Low Interference Amplifier: High gain and low noise linear amplifier minimizes interference to BTS.
- Adjustable Gain Control: Gain adjustable range from 0 to 30dB with 1dB step precision.
- Wide Frequency Range: Supports Uplink and Downlink frequencies from 3700MHz to 3800MHz.
- Real-time Alarm System: Monitors door status, temperature, power, and VSWR for immediate alerts.
- Flexible Customization: Customizable brand logo, colors, and specific frequency bands.
Product Attributes
- Customization
- Available
- Type
- Signal Repeater
- Transmission Medium
- Wireless
- Model NO.
- AT50A37B1
- Standard
- Standard
- Lightning Protection
- Lightning Arrester
- Certification
- ISO, RoHS, CE
- Condition
- New
- Transport Package
- Wooden Case
- Trademark
- ACTION
- Origin
- China
- Production Capacity
- 2000 Set/Year
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Product Description
The RF Repeater is designed to provide a more cost-effective solution than adding a new Base Transceiver Station (BTS) to improve signal coverage and communication quality in Radio system. And its easy installation and maintenance can help carrier get fast return.
The repeater is working as a relay between the BTS and mobiles. It receives the low-power signal from BTS via the Donor Antenna, linearly amplifies the signal and then retransmits it via the Coverage Antenna to the weak/blind coverage area. And the mobile signal is also amplified and retransmitted to the BTS via the opposite direction.
Feature:
1. Aluminum-alloy casing with IP65 protection has high resistance to dust, water and corrosion.
2. Low interference to BTS by adopting linear amplifier with high gain and low noise.
3. Built-in 5G Dynamic TDD Sync Detection Module, automatic completion of 5G wireless network cell search and wireless signaling processing.
4. RJ45 port provides a link to a notebook for local supervision or IP Based NMS (Network Management System) that can remotely supervise Repeater's working status and download operational parameters to the Repeater Via Ethernet or LAN.
Application:
1. To expand signal coverage or fill signal blind area where signal is weak or unavailable.
2. Indoor: Hotels, exhibition centers, basements, shopping malls, offices, parking lots, …
Specification:
| Items | Specifications | |
| System | NR3800(TDD) | |
| Frequency Range | Uplink | 3700~3800MHz |
| Downlink | 3700~3800MHz | |
| Working Bandwidth | 100MHz | |
| Maximum Output Power | Uplink | 30±2dBm |
| Downlink | 37±2dBm | |
| Maximum Gain | 85±3dB | |
| Gain Adjustable Range | 0~30dB/1dB Step | |
| VSWR | ≤1.5 | |
| In Band Ripple | ≤±2.5dB | |
| Spurious Emission | 9kHz~1GHz: ≤ -36dBm | |
| 1GHz~12.75GHz: ≤ -30dBm | ||
| EVM | ≤ 4.5% | |
| Noise Figure | ≤ 5dB | |
| Maximum Input Power(Non-Destructive) | 0dBm | |
| Group Delay | ≤ 5μs | |
| I/O Impedance | 50Ω | |
| RF Connector | N Female(One BTS Port, One MS Port) | |
| Operation Temperature Range | -25°C ~ + 55°C | |
| Relative Humidity Range | ≤ 95% (Non Condensing) | |
| Power Supply | AC 220V, 50/60Hz | |
| Application | Indoor or Outdoor(IP65) | |
| Dimensions | 428*328*175mm | |
| Weight | ≤15kg | |
|
Local Control |
Via RJ-45 Interface or WiFi Hotspot | |
| Remote Mode(Optional) | Wirelss Modem(3G/4G), IP Connectivity | |
| NMS Function(Optional) |
Real-time Alarm for Door Status, Temperature, Power Supply,VSWR, etc; Remote Control such as Turn On/Off, Increasing/Decreasing Output Power, etc; Real-time Status for UL/DL Gain, Input/Output Power, All Status of Repeater etc; |
|





Q1. Could I get a sample before bulk order?
Yes, we offer the sample for all models but charged.
Q2. What should I do if I don't know about frequency in my country?
Please feel free to contact us with your inquiry, we will find the frequency you need and address your problems.
Q3. Do you accept OEM / ODM order?
Yes, we can customize the brand logo, colors, and frequencies.
Q4. Delivery & Shipment Date:
3-30 days
Q5. Customized Frequency:
We can customize Single/Double/Triple/Quand/Penta Band for cellphone signal like 2G/3G/4G(GSM/CDMA/DCS/PCS/WCDMA/LTE, etc,)
Q6. Output Power & Coverage Areas:
20dBm: 500-1500m²
23dBm: 1500-2500m²
25dBm: 2500-4000m²
27dBm: 3000-5000m²
30dBm: 5000-8000m²
Coverage is related to local signal strength, please contact us with your local condition, we can offer the best solution.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR252784". Items marked "" are certified.
Company Profile
Shenzhen Action Technologies is a high-tech company integrating scientific R&D, manufacture and marketing. With headquarter in Shenzhen China, we mainly engage in scientific research, production, marketing, project and engineering service of the radio telecommunication system.
Since the inception, we have been a professional manufacturer and solution provider of RF system. Our products, including MDAS, RF BDA/repeater, IBS, and PMR (Professional Mobile Radio) as well as NMS software system, have been deployed in more than 100 cities in China and 30 countries in the world. We provide the infrastructure and total solutions to mobile operators and enterprises to enhance the trunked radio/cellular network.
Our mission is for high quality network! To achieve our mission, we are dedicated to researching successful products and providing customers with reliable service.
In wish of connecting a more efficient world, we actively launch innovations in order to stay competitive along the way. As a patent holder, mature customizer and future technical pioneer in cellular network, we encourage to take challenges, thus to benefit our customers and end users with optimal solutions.
MAIN TECHNOLOGIES
-MDAS
-BDA for TETRA/iDEN/VHF/UHF/P25
-4G/3G/2G Repeater
-BTS/IBS: Combiner/Matrix/Filter/TMA/Antenna for 5G/4G/3G/2G
-RF Jammer for Government/Prison/Security
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- C/4f, Building 1, Tingwei Industrial Park, Liufang Road 6#, District 67# Bao'an, Shenzhen, Guangdong, China
-
Plant Area
- 1110 square meters
-
Number of Employees
- 35
-
Registered Capital
- 2,000,000 RMB
-
Terms of Payment
- T/T
-
International Commercial Terms(Incoterms)
- FOB, CFR, CIF, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Shenzhen Port
-
Minimum Order Quantity
- 1 Pc
-
Supply Chain Partners
- 65
Our Production Capability & Technical Expertise
-
Main Products
- Repeater, MDAS, IMSI Catcher, Jammer, Power Amplifier Modules, IBS
-
Production Lines
- 3
-
Production Machines
- Drilling Machine, Stripping Machine, Super Mute Terminal Machine
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Minor Customization, Full Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 5 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2011-04-28
-
Export Year
- 14 years
-
Main Markets
- Europe, Southeast Asia/ Mideast, Africa
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 7
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015
-
Product Certification
- CE
-
Cooperated with Fortune 500
- No
FAQ
- Could I get a sample before bulk order?
- Yes, we offer the sample for all models but charged.
- What should I do if I don't know about frequency in my country?
- Please feel free to contact us with your inquiry, we will find the frequency you need and address your problems.
- Do you accept OEM / ODM order?
- Yes, we can customize the brand logo, colors, and frequencies.
- What is the delivery and shipment date?
- 3-30 days
- Can you customize the frequency?
- We can customize Single/Double/Triple/Quand/Penta Band for cellphone signal like 2G/3G/4G(GSM/CDMA/DCS/PCS/WCDMA/LTE, etc,)
Send your message to this supplier
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