Tri-Band Mobile Signal Repeater B28 B3 B1 700 1800 2100MHz 27dBm Cell Phone Amplifier

• Manual Gain Control: 31 dB in step of 1dB
• Automatic Gain Control: ≥20 dB
• Gain Flatness (per sub-band): ≤±3.5 dB (peak-to-peak)
• Max. Input Power Without Damage: 0 dBm
• Frequency Stability: ≤±0.01 ppm
• Noise Figure: ≤8dB
• VSWR: ≤2
• System Delay: ≤6μs
• RF Connector: N-Female
• Impedance: 50Ω
• Power Supply: Input: AC100~240V, 50/60 Hz Output: DC24V/4.2A
• Power Consumption: ≤70W
• Dimensions: 350*268*80mm
• Weight: ≤7kgs
• IP Rating: IP30
• Operating Temperature: -10℃ to 60℃
• NMS: Local: RJ45 Remote: Via Cloud-based NMS (optional)

• Improve any three mobile networks at the same time
• LCD display the input/output signal strength
• Auto isolation detect function
• Auto gain control, auto level control
• Auto uplink noise reduction, avoid disturbing to BTS
• Smart LCD to guide the installation
• Metal industrial design

Shenzhen A T N J Communication, located in Guangming District Shenzhen, is a professional RF manufacturer with 16 years of experience, primarily engaged 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 undertake OEM, ODM services and projects for various RF equipment, wireless repeaters, multi-frequency DAS systems, remote network management center OAM, and equipment provision for indoor and outdoor signal coverage projects.

Our mature digital band-selective repeaters have been successfully deployed in overseas mobile operator markets. Our product field is expanding to include Public Safety and Low Altitude Economic Construction applications, featuring Public and Private Network Digital Multi-subband Repeaters, wireless signal repeaters, Integrated Base Stations, Civil countermeasures, and phased array radar technology.

We have also 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.