4G LTE Modules for Transparent Transmission

USR-LTE-7S4 is used to transmit data between serial port and network server by Operator network.

  • PIN Type
  • Operation temperature Range of -20° ~70°
  • Voltage range of 5-16v DC
General Details

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 model 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
  • Upgrade firmware for your MCU with FTP
  • Upgrade firmware for your 7S4 with FTP
  • Send message by simple AT Command
  • Synchronous and adaptive Serial port baud rate
  • Its pin is compatible with 2G module 7S2/7S3, Simple replacement

We provide evolution kit for customers

Parameter
Network
StandardTDD-LTE
FDD-LTE
WCDMA
TD-SCDMA
GSM / GPRS
Standard Frequency RangeTDD-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
ApplicationGSM standard AT instruction set / USR extension AT instruction set / data transmission / SMS transmission
Network Link Count4
Serial
Port Number1
Interface StandardUART
Baud Rate300 bps ~ 230400 bps
Software
Virtual Serial(USR-VCOM)Windows 2000 or higher (32 bit/64 bit)
ConfigurationSerial AT command, SMS AT command, network AT command
Basic Parameter
Size44.4 x 41.8 x 12.8(mm)
Operating Temp.-20 ~ 70°
Storage Temp.-40 ~ 125°, 5 ~ 95% RH(no condensation)
Input VoltageDC 5 ~ 16 V
Working CurrentAverage: 55 ~ 127mA, max: 147mA(12v)
More
Warranty2 years
AccessoryPCB Antenna
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