RDO421/RDO821西開 is a highly flexible 花喝configuration th舊道at supports Battery-powered low 地機power consumption DTU, embedded with h分綠igh-performance M人姐CU and Semtech RF chi道湖p SX1262/SX1268,兒就 uses RS-485/m-bus i自你nterface to communicate師吧 with external d習慢evices, and uploads 鐵務business data to t作那he application p綠風latform throug光話h LoRa/LoRaWA土他N protocol.
RDO421A/RDO821A uses the唱村 RS-485 inte鄉明rface to commun做雜icate with th市學e device, an制靜d RDO421C/RDO821C 你如uses m-bus to communicat門他e with the interface dev如煙ice.
Interface | Definition |
Black interface | LoRa antenna |
White interface章器 | Mbus interface or RS485 廠去interface |
Operating volta媽國ge | DC 3.3V |
Operating temperature | -40℃ ~ 85℃ |
Working humi師街dity | 0%~95%RH |
Protection level | IP68 |
Carrying capacity 相你of m-bus | No more than three 機拿devices are reco嗎村mmended. |
Operating freque但校ncy | 410-510MHz/860-空那1020MHz |
Transmit power呢雜 | 5 ~ 20dBm |
Receiving sensitivity話黃 | -139dBm @292bps |
Data transmission中草 rate | 0.3~4.5kbps |
Modulation mode | LoRa |
LoRaWAN band support商科ed | CN470/EU868/AS吃坐923/EU433/AU915 |
LinkWAN band笑秒 supported | CN470/AS923 |
Antenna Impedanc生匠e | 50Ω |
Please read ca都吧refully 《Purchase Note》
Model | Description |
RDO421ACN470-謝看N | CN470 standard, RS-485 i什到nterface |
RDO421AEU433-N | EN433 standard,通內 RS-485 interfa但林ce |
RDO421ACN470-L | ALI470 standard,訊長 RS-485 interfac樹報e |
RDO821AEU868-N | EU868 standar音校d, RS-485 interface |
RDO821AAS923-店紙N | AS923 standard, RS-485 i窗作nterface |
RDO821AAS923-L | ALI923 standard, RS-48唱內5 interface |
RDO421CCN470-N | CN470 standard黑嗎, m-bus interface |
RDO421CEU433-N | EN433 standard, m-bu匠拍s Interface |
RDO421CCN470-L | ALI470 stand民海ard, m-bus Int地報erface |
RDO821CEU868-N | EU868 standard, m-bus下我 Interface |
RDO821CAS923-N | AS923 standard, m-b鐵報us Interface |
RDO821CAS923-L | ALI923 standard, m-bus嗎線 Interface |