Serial UART 4G LTE module, for data transmission

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Serial UART 4G LTE module, for data transmission
Serial UART 4G LTE module, for data transmission
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Price: $79.60
Availability: In Stock
Model: USR-GPRS232-7S4
Manufacturer: USR IOT
Average Rating: Not Rated

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Introduction

4G Module USR-LTE-7S4 is used to transmit data between serial port and network server by Operator network. It is configured by AT Command and work in dual transparent transmission mode.
USR-LTE-7S4 is in small size, which is widely used in LTE, WCDMA, TD-SCDMA. It works in transparent transmission mode and more functional software. It has high speed and less time-delay , supports FTP protocol.
USR-LTE-7S4 is compatible with 2G module 7S2/7S3, user can replace 7S3 easily. We add Watch dog function in firmware to ensure the stability if work for a long time.
List of LTE networks: https://en.wikipedia.org/wiki/List_of_LTE_networks
 
Features

  • 5 mode 12 frequency, supports TDD-LTE, FDD-LTE, WCDMA, TD-SCDMA, GSM
  • Based on embedded Linux system, in high stability
  • Support RNDIS remote network driver interface, USB connection
  • 4 Line network connection at same time, TCP and UDP
  • 10KB Serial data buffer each link, data buffer will not lose
  • Registration package and Heartbeat package
  • Parameter is configured by SMS
  • Work mode: Network transmission and HTTPD
  • Basic Command Set
  • Socket distribution protocol, can send data to different socket
  • FTP Else upgrade protocol, remote update
  • FTP itself upgrade protocol, Maintain firmware status
  • Send message by simple AT Command
  • Synchronous and adaptive Serial port baud rate

Parameters

Network
Standard Frequency Range TDD-LTE: Band 38/39/40/41
FDD-LTE: Band 1/3
WCDMA: Band 1/8
TD-SCDMA: Band 34/39
GSM / GPRS / EDGE: Band 3/8
Application GSM standard AT instruction set 
USR extension AT instruction set 
Data transmission  
SMS transmission
Network Link Count 4
Software
Virtual Serial (USR-VCOM) Windows 2000 or higher (32 bit/64 bit)
Configuration Serial AT command
SMS AT command
Network AT command
Basic Parameter
Serial interface UART * 1
Baud Rate 300 bps ~ 230400 bps
Size 44.4 x 41.8 x 12.8(mm)
Operating Temp.  -20 ~ 70 degree
Storage Temp.  -40 ~ 125 degree. 5 ~ 95% RH (no condensation)
Input Voltage DC 5 ~ 16 V
Working Current Average: 55 ~ 127mA, max: 147mA(12v)
Accessory Antenna * 1


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