Home > Products > Cellular Network Systems > CLR-CNS-G281
           
 
  CLR-CNS-G281
   
  4G LTE Cellular Industrial Modem
  RS232, RS485 Serial & Ethernet to 4G LTE & Internet
  Serial Data Transmit Unit (DTU)
 
              
             
  Specifications  
             
   Hardware parameters  
 
 Wired Ethernet Interface - WAN port 1*10/100Mbps,Auto MDI/MDIX
- LAN port 1*10/100Mbps,Auto MDI/MDIX
 Serial Data Interface - RS232: 300bps ~ 460800bps baud rate
- RS485: 300bps ~ 460800bps baud rate
 Indicator LEDs - LinkA, LinkB, TxD, RxD, Power, Net, Work, SIM
 Working Voltage - 9VDC ~ 36VDC
 Working Current - Average Current 180mA@12VDC
- Peak Current 300mA@12VDC
   
 Software Parameters
 Working Mode - Transparent mode
- HTTPD Client mode
 Setting command - AT+ Command Structure
 Modbus TCP - Supported
 Network Protocol - TCP, UDP, DNS, HTTP, FTP
 Maximum TCP connections - 4
   
 Frequency Band
 TDD-LTE - Band 38/39/40/41
 FDD-LTE - Band 1/3
 WCDMA/HSPA/UMTS - Band 1/8
 GSM/GPRS/EDGE - Band 3/8
   
 Security & Management
 Management - Web Server, AT commands
 Protection by software - Firewall Security. NAT, DMZ, DHCP, DNS, DDNS, static routing functions, APN, VPN
 Intelligent flow control - QoS, rate limiting, port forwarding, automatic disconnection monitoring
 Network Diagnosis - Supported
 Heartbeat packet - Supported
 Identity packet - IMEI/ICCID/self-defined identity packet
 Heartbeat packet - Supported
 Baud rate synchronization - Supported
 Hard recovery - Reload button to restore factory settings
   
 SIM Card & Antenna
 SIM/USIM Card - Standard 6 pin SIM card, 3V/1.8V SIM card
 Antenna - SMA connector, 5dBi antenna
   
 Temperature
 Working Temp - -25℃~ +75℃
 Storage Temp - -40℃~ +85℃
   
 Physical
 Dimension - 86*81*24mm(L*W*H)
 Shell - Metal. IP30 protection class
 Installation - Wall-Mount
   
 Ports & Interfaces
   
ports and interfaces