Ebyte E32-DTU User Manual
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Contents
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Chengdu Ebyte Electronic Technology Co.,Ltd. E32-DTU (915L30) user manualCopyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd 21.Introduction1.1. Brief IntroductionE32-DTU (915L30) is wireless data transceiver of 915M with standard RS232/RS485 connectors. They arehalf-duplex. TX & RX modems with LoRa technology and transparent transmission mode. Voltage supply ranges from8V to 28V, Working frequency: 900~931MHz (Default:915MHz).The LoRa direct sequence spread spectrum technology enables the longer communication distance and better powerdensity concentration as well as superior anti-interference ability. The FEC algorism enables higher coding efficiency andcorrection ability. The interfered data packets will be corrected proactively upon sudden interference, which significantlyimproves reliability and communication distance. Without FEC, the interfered data packet will be dropped. Thetransceivers feature data encryption and compression. The data transmitted in air features randomness, the rigorousalgorism makes data interception meaningless. The data compression function has possibility to reduce the datatransmission time, which in turn reduces the possibility of being interfered, thus improves the reliability andcommunication efficiency.1.2. Features★ All core components are originally imported, our transceiver modems have much advanced functions with smaller sizeand lower cost.★ The top TX power is 1W, all technical parameters meet European industrial standards.★ Temperature compensators are adopted to make the frequency stability better than ±1.5PPM.★ Operation temperature range: -40℃ ～ +85℃, applicable for various harsh environment, it is real industrial gradeproducts.★ Aluminum alloy case, compact size, great heat dispersion; good shielding, prime electromagnetic compatibility andstrong anti-interference.★ Power reverse & overload protection and antenna surge protection functions significantly improve the reliability.★ Parameters can be configured by programming, such as TX power, frequency point, air data rate, address and so on.★ Ultra-low power consumption, standby current is only 40mA (even lower under power-saving and sleep modes), TXcurrent ≤0.7A .★ Embedded watch-dog and precise time layout, modem will restart automatically upon abnormal situation and workwith previous parameters.★ The transceivers adopt original SEMTECH SX1276 chip, customers highly comment the products because of thesuper reliability. |
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