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Full duplex TDD-COFDM Wireless Ethernet transceiver
----SG-TDD20
Introduction:
TDD-COFDM is our new NLOS(non-line of sight) two-way data transmission system and wireless mobile emergency communication private network, which is independent of telecom operators wireless network. Its confidentiality,security, mobile performance are better than Telecom operators. Also, it is a fully transparent data encryption transmission emergency security network. TDD-COFDM multiplexing technology to channel resources in time through time slot, frequency through a large number of sub carriers to flexibly allocated to multiple users, and in a single frequency to maximize the realization of multi user access. System occupy relatively narrow-band air frequency (4/8MHz)and strong anti-multipath interference ability to overcome simulation technique and the high-speed mobile data transmission under multipath reflections and nuisance caused by occlusion, then achieved in a complex environment transfer: data packing form, audio and video data, serial asynchronous data, Miniature volume, precision design, lightweight and easy to carry that commonly used in short distance high speed wireless data transmission and on air long distance high speed wireless data transmission purposes.
Features:
1. Advancement: TDD-COFDM channel modulation technology, support fast-moving,ultra-wide band, and fully transparent transmission.
2. Security: private network, private communication transport protocol, sole synchronization code and AES encryption. and also customer manually customize the secret key
3. Flexibility: transparent transmission of IP data channel, supports multi-user access.
4. Scalability: all-digital network, is compatible with all IP data transmission equipment.
5. Bit rate can up to 921600bps;
6. Support protocol PTP &PMD network technology;
7. Support non-line of sight(NLOS) high speed mobile transmission
8. Standard RJ45 Ethernet and RS485/RS485/RS422 data interfaces;
9. Built in with small LCD screen that shows the signal working status.
10. Available frequency: 330-430MHz/ 430-530MHz,or 2.4GHz (option).
Technical performance:
1. Multi-frequency network base stations,single base station same frequency network, the same frequency network with bidirectional communication, high spectrum efficiency;
2. Flexible allocation of channel resources to achieve PTP, PTMT and multipoint-to-multipoint two-way communication;
3. Multiple channel bandwidth and a variety of modulation mode function;
4. Flexible TDD slot allocation model to meet a single-frequency but multi-user access, not only save the spectrum but also to reduce power consumption;
5. Spectrum sensing, perception slot, upstream bandwidth sensing function;
6. Strong diffraction ability and anti-multipath capability
7. High-sensitivity receiver.When receive level is -110dBm, can still ensure BER <10E-5 and frame error rate <1%. Powerful error correction capability;
8. Low PAPR, high power amplifier efficiency, low power consumption;
9. Can transmit video audio and etc signals synchronous,high speed.Velocity >600km/h.
10.Digital signal processing, a strong system of confidentiality, stability and reliability.
Physical interface section | |
Ethernet |
Standard RJ-45 |
RS-232/422/485 data |
Two or Three pin terminals |
Power supply |
DC12V, Four pin terminals |
RF connector |
SMA female |
Main parameters | |
Modulation |
TDD_COFDM, time division duplex mode |
Working mode |
Full duplex |
Working frequency |
330-430MHz/ 430-530MHz,or 2.4GHz (option). step in 1MHz other frequencies can be customized |
RF power |
20W |
RF bandwidth |
4/8MHz |
Correction mechanism |
32bit of CRC, ARQ |
Transfer Protocol |
standard TCP / IP, transparent transmission,serial asynchronous |
Data Rate |
6.5Mbps ( both video and data occupy the same channel) |
Baud rate |
7200 ~ 921600bps (automatically assigned) |
Data type |
10 / 100Bate-T Ethernet, RS-232, RS-422, RS-485 standard |
Audio channel |
analog audio intercom interface (non-Open) |
BER |
≤10-6 |
Receiving sensitivity |
-103dBm |
Networking format |
point-to-multipoint |
Encryption |
128bit AES (Optional 256bit AES) |
Ethernet |
10 / 100BaseT, Auto-MDI / X, IEEE802.3 TCP, UDP, TCP / IP, TFTP, ARP, ICMP, DHCP, HTTP, SNMP, FTP, DNS |
Parameter Control |
adjustable parameters through the LCD panel |
Built-in battery |
12000mA or remove |
Working time |
6 hours |
Working temperature |
-40 ℃ ~ 85 ℃ |
Dimension |
210 * 133 * 54mm |
Weight |
2.5kg |
As its Miniature volume, precision design,lightweight and easy to carry, it’s suitably used in short distance and long range air high speed wireless video data transmission purposes. Such as UAV, rotorcraft, micro UAV, drone,UGV, unmanned powered parachute, unmanned underwater vehicles boats, Fire-fighting robot,unmanned ship, airship, USV, high iron, EMU, unmanned vehicles, unmanned vehicle and etc..data transmission.
- One year free warranty;
- three months for free spare parts (Replacement parts will be charged after a year);
- 24-h technical guidance;
- One-stop ODM/OEM solution;
- We provide professional system design and construction;
- We have over 15 years experience's study, design and manufacturing in wireless microwave transmission area;
- We are the professional plant source,so we can provide you high quality in best price.
Send Inquiry to This Supplier
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