Product Features
- Industrial quality, stable and reliable, encrypted data transmission through transmission
- Watchdog circuit design ensures 24-hour continuous operation
- 4G Full Netcom
- 5-mode, 13-frequency
- Independent external MCU
- Virtual serial port, remote management, support for AliCloud services
- Firmware can be upgraded remotely over the network
- Users can send messages to the device to configure parameters through the M2M SMS platform
- 5V-36V wide voltage operating range, power supply anti-reverse function
- Static ESD protection
¥252
Product Overview
WE-D280 is a 5-mode all-network 4G DTU, which supports mobile, Unicom 2G/3G/4G, and Telecom 4G networks, and the network supports maximum downlink rate of 150Mbps and maximum uplink rate of 50Mbps.
WE-D280 built-in rich network protocols, integrated RS232/RS485 standard data transmission interface, easy to use traditional serial devices networking
Application Areas
WE-D280 module connects serial devices to the Internet and transfers serial data in compliance with the TCP/IP protocol.
- Remote equipment monitoring
- Production Asset Tracking and Monitoring
- Security
- Industrial Sensors and Controllers
- Healthcare equipment
- ATM equipment
- Data acquisition equipment
- UPS power management equipment
- Telecommunications equipment
- Data display equipment
- handheld device
- Attendance systems and terminals
| Dimensions | 95 × 65 × 25 mm |
|---|
specification
| categorization | parameters |
| System Information | |
| Processor/Main Frequency | Cortex-M3/96MHz |
| operating system | FreeRTOS |
| 2G/3G/4Gconnector | |
| firing power | LTE-TDD: Class 3 (23dBm+1/-3dB)
LTE-FDD: Class 3 (23dBm±2dB) WCDMA: Class 3 (24dBm+1/-3dB) TD-SCDMA: Class 3 (24dBm+1/-3dB) GSM900: Class 4 (33dBm±3dB) DCS1800: Class 1 (30dBm±3dB) GSM900 8-PSK: Class E2 (27dBm±3dB) DCS1800 8-PSK: Class E2 (26dBm±3dB) |
| receiver sensitivity | FDD B1: -96dBm(10M)
FDD B3: -96dBm(10M) FDD B5: -96dBm(10M) FDD B8: -96.5dBm(10M) TDD B38: -96dBm (10M) TDD B39: -97dBm (10M) TDD B40: -96.5dBm (10M) TDD B41: -96dBm (10M) WCDMA B1: -110dBm WCDMA B8: -111dBm TDSCDMA B34: -109dBm TDSCDMA B39: -109dBm GSM 900M: -109dBm GSM 1800M: -109dBm |
| LTE | Maximum support for non-CA CAT4
Support 1.4~20MHz RF bandwidth Downlink support for multi-user MIMO FDD: Maximum uplink rate 50Mbps, maximum downlink rate 150Mbps TDD: Maximum uplink rate 35Mbps, maximum downlink rate 130Mbps |
| WCDMA | 3GPP R8 DC-HSPA+
16-QAM, 64-QAM and QPSK modulation Maximum uplink 5.76Mbps Maximum downlink 42Mbps |
| TD-SCDMA | CCSA Relese 3
Maximum uplink 2.2Mbps Maximum downlink 4.2Mbps |
| GSM/GPRS | R99:
CSD transmission rate: 9.6Kbps/14.4Kbps GPRS: Support GPRS multi-slot class 12 Coding method: CS-1/CS-2/CS-3/CS-4 |
| serial port (computing) | |
| port number | 1 |
| interface standard | RS232: Sunken gold male DB9 connector
RS485: 5.08mm terminal block Only one of the two RS232 /RS485 serial port types can be selected for communication. |
| data bit | 7, 8 |
| stop bit | 1, 2 |
| check digit | None, Even, Odd |
| baud | TTL: 1200 bps~460800 bps |
| flow control | no-flow control
Half-duplex (RS485) Hardware RTS/CTS, DSR/DTR (RS232)
|
| hardware | |
| Configuration | Serial AT command
IOTService Serial Port Configuration Software IOTService Network Configuration Software |
| Firmware Upgrade | Serial or OTA upgrade |
| Basic parameters | |
| SIM card interface | Standard Daka (1.8V/3V) |
| sizes | 95mm x 65mm x 25mm |
| operating temperature | -40 ~ 70° |
| preservation environment | -45 ~ 105°C, 5 ~ 95% RH (no condensation) |
| Input Voltage | 9~36VDC |
| Operating Current | ~300mA@9V |
blueprint
Overall dimensions
interface definition
| functionality | name (of a thing) | descriptive |
| external interface | DC | DC 9~36V input |
| RS485/RS232 | RS485 A+ interface
RS485 B-Interface RS232 Rxd interface RS232 Txd Interface Use RS485 or RS232 (not both) |
|
| SIM Card | Standard SIM card insertion | |
| Earth | grounding | |
| Antenna | 4G SMA antenna connector | |
| RS232 | 9-PIN RS232 | |
| LED indicator | NET (Internet) | Network Status Indicator
0.2s On -> 1.8s Off: Network Search Status 1.8s On -> 0.2s Off: Standby (currently no such standby) 0.125 On -> 0.125 Off: Network normal communication status |
| Link | Socket status two-color indicator
Blue On: Socket A channel communication is established normally. Green On: Socket B channel communication is established normally. |
|
| Active | Serial data send/receive dual-color indicator
Blue On: Serial port has data output Green On: Serial port has data input |
|
| Power | 3.3V power indicator | |
| Mode | Network Mode Indicator
On: Connect to 4G LTE network Off: Connect to other |
|
| Signal | Signal strength indicator registered to the network
On: Strong signal strength (>=22) 0.9s On -> 0.9s Off: Medium signal strength (22>Signal>15) 0.3s On -> 1.2s Off: slightly weaker signal strength (15>Signal>4) Off: weak signal strength (usually no antenna plugged in) |
|
| buttons | Reload | Long press for more than 3 seconds to release, the parameter restores the factory setting |
| dipswitch | Protect | Parameter protection function
on: parameter protection, at this time can not modify the product parameters off: the parameter is not protected, the parameter can be modified at this time. |
Models and accessories
Needs to be fixed
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