Product Descriptions
E90-DTU (170L30) is a data transmission station that adopts extremely advanced ultra-narrow band modulation technology. On the original basis, power amplifier (PA) and low noise amplifier (LNA) are built in, so that the maximum transmitting power reaches lw and the receiving sensitivity is also improved to a certain extent. Compared with the products without power amplifier and low noise amplifier, the overall communication stability is greatly improved. Different from analog FM stations and modems, digital radio provides transparent RS232/RS485 interface
The station works in 170MHz frequency band and the communication distance can reach &km. Wireless digital radio as a medium of communication, as well as optical fiber, microwave, open wire, there is a certain scope of application: it provides some special conditions, private network monitoring signals in real-time and reliable data transmission, low cost, easy installation and maintenance, diffraction capability is strong, flexible network structure. the coverage is far characteristic, suitable for some such as dispersion and complex geographical more and occasions.enyironment with PLC, RTU, rain gauge, level gauge and other data terminal is connected.
Specifications
| Attribute | Attribute value | Notes |
| ANSM-Part# | ANSM-E90-DTU(170L30) | |
| Working frequency | 160~173.5 MHz | Default: 170MHz |
| Transmitting power | 30 dBm | About 1W |
| Air data rate | 0.3k~9.6kbps | Default: 2.4kbps |
| Test distance | 8000 meter | In open and clear air, with maximum power, 5dBi antenna gain, height of 2m. |
| Size | 82 * 62 * 25 mm | Without SMA-K |
| Antenna type | SMA-K | |
| Communication interface | RS232 / RS485 | Standard DB9 Hole/3.81 connecting terminal |
| Baud rate | 9600 | Baud rate: 1200~115200 |
| Buffer | 512 bytes buffer | Automatically sub-packaging with 197 bytes per package |
| Working voltage (V) | 8~28 | |
| Emission current (mA) | 264~322 | |
| Working temperature (° C) | -40~+85 |
Actual product photos
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