ST18 is a Fixed Wireless NLOS Two-way Broadband Transmission System which receives and transmits data adopting the leading FDD Frequency Division Duplex Multiplexing technology to exchange high-speed data on two symmetrical frequency channels. The system uses the Guard Frequency Band to separate the receiving and transmission channels. Compared with TDD technology, it has the advantages of long transmission distance and stable rate; The system occupies a relatively narrow frequency bandwidth (1 ～ 8MHz) and has a strong anti multi-path interference ability. It overcomes the problems caused by multi-path reflection and shading under analog technology and conventional modulation technology, and realizes the transmission of two-way broadband data, video, and audio in a non-line-of-sight condition, especially it is suitable for applying in complex environments.
l Working Frequency：300～900MHz
ll Build-in LCD panel to display parameters and adjust parameters.
Build-in LCD to display the signal level .
l Non-standard 256-bit dynamic AES encryption
l Working Band:1~8 MHz LCD adjustable
l Support transmission with both Symmetric Band and Asymmetric Band .
l Supper Low Latency : 30 milliseconds
l l Data rate: 2 to 25 Mbps
l l Output Transmission Power: up to 5W .
l Standard Ethernet interface,flexible expansion
l l Built-in full-duplex RS-232 serial data
l l Mountable , standard with military backpack carrier
l l Powerful NLOS Non-line of sight transmission performance
l l The transmission distance is farther than that of TDD, and the throughput is more stable than that of TDD.
l l Portable installation, plug and play, Omnidirectional antenna is adopted, no need to fix the direction
Customization for customer demand is supportive.
Transceiver
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Working Frequency: Uplink 300 ～ 900MHz, frequency customizable
Downlink 300 ～ 900MHz, frequency customizable
l Modulation: FDD frequency division duplex
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l Frequency Division: symmetry band mode, asymmetry band mode
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l Channel Bandwidth: 1/2/3/4/5/6/7/8MHz
l Output Power:1～5W LCD adjustable
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l Encryption : 256 bit AES key, dynamically adjustable
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l Signal Indicator :LCD indicates the signal level
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l Receiving Sensitivity :-96dBm @ 8MHz
System section
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l Data transmission : Full duplex
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l Transmission protocol: standard TCP/IP, transparent transmission
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l Data type: 10/100Bate-T Ethernet adaptive
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l Video bit rate:: 2～25Mbps
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l Data serial port: RS-232 MAX: 115200bps
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l Transmission Latency:Max 30ms
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l Transmission distance: 1 ～ 2Km (non-visual urban environment), 2 ～ 10km (wide line of sight environment)
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Usage: fixed/backpacked
Other Section
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l RF interface: dual N-type interface
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l Data physical interface: standard RJ45 interface
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l RS-232 physical interface: standard DB9 interface/aviation interface
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l Outline Dimension: 200×130×52mm (L×W×H)
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l Power supply : DC 12-16V, standard DC5.5 interface
l Weight:1.5Kg
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