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{"title":"High Power UHF 380-400MHz Signal Booster for Public Safety Network Indoor and","imgUrl":"https:\/\/img.chinax.com\/nimg\/1c\/0e\/3e965d326fca1f7567c3f518d13c-200x200-1\/high_power_uhf_380_400mhz_signal_booster_for_public_safety_network_indoor_and_outdoor_coverage.jpg","attrs":{"Weight":"\u2266 3kgs","Network Protocols":"TETRA\/P25\/DMR\/GSM\/WCDMA\/LTE\/NR\/WiFi","Bandwith":"0.2 - 18MHz(Customized)","Certification":"CE ROHS"}}
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{"title":"Tetra BDA Network Bi-Directional Amplifier 380-400MHz for Public Safety Network","imgUrl":"https:\/\/img.chinax.com\/nimg\/1c\/0e\/3e965d326fca1f7567c3f518d13c-200x200-1\/tetra_bda_network_bi_directional_amplifier_380_400mhz_for_public_safety_network_coverage.jpg","attrs":{"Bandwith":"0.2 - 18MHz(Customized)","Frequency Range":"VHF, UHF, 700\/800MHz","Brand Name":"ATNJ","Weight":"\u2266 3kgs"}}
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{"title":"Public Safety VHF Digital Repeater System with 150MHz Frequency Range, 80dB Gain","imgUrl":"https:\/\/img.chinax.com\/nimg\/9d\/1f\/a6f74ae309f585fe783c870becf0-200x200-1\/public_safety_vhf_digital_repeater_system_with_150mhz_frequency_range_2c_80db_gain_2c_and_33dbm_output_power.jpg","attrs":{"EVM":"8%","Bands Support":"VHF, UHF, N71, N28, N5, N20, N8, N66, N3, N1, N40, N7, N78, N77, N79","VSWR":"\u22641.8","Noise Figure":"8dB"}}
UHF 380-400MHz Bi-Directional Amplifier for Tetra Signal
Product Overview
ATNJ public safety solution solves the toughest emergency wireless communication challenges and delivers consistent in-building coverage across any type of structure - from high‑rises and stadiums to underground transit hubs. Available in channel‑selective or band‑selective configurations to match your network architecture.
Built on P25 & TETRA Standards
P25 (Project 25) and the analogous TETRA systems are the bedrock upon which modern Public Safety Networks (PSNs) are being built. These open standards ensure interoperability, security, and mission‑critical reliability for first responders.
Addressing Communication Challenges
Rising frequency exhaustion, bandwidth congestion, and an increasing number of transmission sources have driven the need to allocate dedicated frequencies to PSNs. The choice of P25 and TETRA is dictated by:
Seamless operation with existing analog equipment
Expandable functionality - easy adoption of new technologies
Higher load capacity - supporting more users and data traffic
More complete coverage - eliminating dead zones inside complex buildings
Superior RF propagation - critical for penetrating concrete, steel, and low‑E glass
Technical Specifications
Model
AT27-VHF/UHF
AT33-VHF/UHF
AT37-VHF/UHF
Output Power
27dBm
33dBm
37-43dBm
System Gain (Air Coupling)
80dB
85dB
90dB
Supported Bands
VHF, UHF, 700/800MHz
VHF, UHF, 700/800MHz
VHF, UHF, 700/800MHz
Supported Bandwidth
0.2 - 18MHz
0.2 - 18MHz
0.2 - 18MHz
Supported Channel Numbers
Up to 32CH
Up to 32CH
Up to 32CH
Power Consumption
< 50W
< 80W
< 150W
Key Advantages
Intelligent to guide the installation with LCD
Real time display of signal strength
Automatic dormancy when no user is making calls
Automatic alarm when installation mistake occurs and provides corresponding solution
Automatic adjustment of system gain to avoid repeater self-excitation
WiFi Monitor+Control (Customized), NMS (network management system), Function Optional
Product Applications
About Our Company
Located in Guangming District Shenzhen, Shenzhen ATNJ Communication is a professional RF manufacturer mainly engaged in R&D, production, manufacturing, sales, and technical services with 16 years of experience. The main products include Digital LTE/NR series repeater, SDR core board, Passive devices, Digital DAS system, and technical solutions for Public and Private (VHF, Tetra) network base station, Wireless frequency modules. Meanwhile, we undertake OEM, ODM services and projects of various RF, wireless repeaters, multi-frequency DAS systems, remote network management center OAM, and equipment provision of indoor and outdoor signal coverage projects.
Nowadays, our digital repeaters not only reach 12 subbands simultaneously with local and remote control+monitor, but also are supplied to signal operators and communication integrators worldwide, providing signal coverage solutions for residential areas, office buildings, supermarkets, basements and rural areas.
More mature digital band-selective repeaters were put into overseas mobile operator markets successfully. Our product field extends to Public Safety and Low altitude economic construction applications which include Public and Private Network Digital Multi-subband Repeater wireless signal repeater, Integrated Base Station, Civil countermeasure and phased array radar technology. Furthermore, Digital fiber multi-frequency, UHF, Tetra, VHF, Microwave frequency shift repeaters are realized. With the progress of science and technology, easier-to-use, more functional and intelligent RF products are being developed. We look forward to collaborating with you to create a brighter future together.
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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...
