Close

Site Information

  • Image 1

USB version Cottonwood: UHF Long distance RFID reader module

Brand: LinkSprite
$199.00
SKU:
RFID_COTTONWOOD_USB
Weight:
1.00 LBS
Shipping:
Calculated at checkout
Quantity:

Out of Stock

Product Description

Introduction

Long Range UHF RFID Reader is an important way to read information and input information. Automatic identification technology has been developed in recent years. Now it is a new high technology which includes barcode technology, magnetic strip (card) technology, RF technology, optical character recognition technology, and biological recognition, distance Card Reader and etc.

In normal case, UHF RFID tags need less power than the reader which needs to have high receiving sensitivity. In certain system, the transmit path and receive path are independent of each other in the reader, especially when the uplink and downlink have different frequency.

Technically, different applications can choose different transmit power. However, there are regulations that need to be met. Usually the RF power 100mW~500mW is suitable for all kinds of RFID distance reader system. In different regions and areas, the reader has to follow different regulations.

Cottonwood distance reader has many advantages such as: compatibility with different protocols, high reading speed multi-tags reading, linearly polarized antenna, waterproof appearance designing and etc. It can be widely used in RFID systems, and is very friendly to further development based on it.

model:RFID_UHF_TTL_CW


Cottonwood 107101001-1.jpg

Cottonwood 107101001-2.jpg

Cottonwood 107101001-3.jpg

Cottonwood 107101001-4.jpg


model:RFID_UHF_USB_CW


Cottonwood USB 107102001-1.jpg

Cottonwood USB 107102001-4.jpg

 

Features

Application Ideas

Long Range UHF RFID Reader is an important way to read information and input information. Automatic identification technology has been developed in recent years. Now it is a new high technology which includes barcode technology, magnetic strip (card) technology, RF technology, optical character recognition technology, and biological recognition, distance Card Reader and etc.

In normal case, UHF RFID tags need less power than the reader which needs to have high receiving sensitivity. In certain system, the transmit path and receive path are independent of each other in the reader, especially when the uplink and downlink have different frequency.

Technically, different applications can choose different transmit power. However, there are regulations that need to be met. Usually the RF power 100mW~500mW is suitable for all kinds of RFID distance reader system. In different regions and areas, the reader has to follow different regulations.

Cottonwood distance reader has many advantages such as: compatibility with different protocols, high reading speed multi-tags reading, linearly polarized antenna, waterproof appearance designing and etc. It can be widely used in RFID systems, and is very friendly to further development based on it.

Cautions

Schematic

 

Specification

Pin definition and Rating

Mechanic Dimensions

Usage

Hardware Installation

UHF RFID UART.jpg

Programming

  • Arduino sample code for Xbee UHF RFID Reader Tutorial (Arduino issues scan commands)
/*
 
  The circuit:
 * LCD RS pin to digital pin 12
 * LCD Enable pin to digital pin 11
 * LCD D4 pin to digital pin 5
 * LCD D5 pin to digital pin 4
 * LCD D6 pin to digital pin 3
 * LCD D7 pin to digital pin 2
 * LCD R/W pin to ground
 * 10K resistor:
 * ends to +5V and ground
 * wiper to LCD VO pin (pin 3)
 
*/ 
// include the library code:
#include <LiquidCrystal.h>
#define BUFFSIZ 90
 
//RFID parser
char buffer_RFID[BUFFSIZ];
char buffidx_RFID;
char response_str[64];
 
char command_scantag[]={0x31,0x03,0x01};//const
 
unsigned char  incomingByte;
 
unsigned char parsed_okay=0;
 
unsigned char tag_found_number;
 
unsigned int bytecount=0;
 
// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
 
void setup(){
 
  parsed_okay=0;
 
  // set up the LCD's number of columns and rows: 
  lcd.begin(16, 2);
  // Print a message to the LCD.
  lcd.print("Xbee UHFRFID Reader");
 
  Serial.begin(9600);
  Serial1.begin(115200);
 
  Serial.println("Test Xbee Connection");
 
}
 
void loop() 
{
 
 
 
  while(Serial.available())
  {
    incomingByte = Serial.read();
 
    if(incomingByte='r') {
      Serial1.print(command_scantag);
      parsed_okay=0;
    }
  }
 
  while(Serial1.available())
  {
    incomingByte = Serial1.read();
    Serial.print(incomingByte);
 
    if(incomingByte==0x32 && parsed_okay==0) {
      bytecount=0;
      parsed_okay=1;
    }
 
    bytecount++;
 
    if(bytecount==3) {
       lcd.clear();    
       lcd.print(incomingByte, DEC);
    }
 
 
  }
 
 
 
 
 
 
}
  • Arduino sample code for Xbee UHF RFID Reader Tutorial (GUI Part)
/*
 
  The circuit:
 * LCD RS pin to digital pin 12
 * LCD Enable pin to digital pin 11
 * LCD D4 pin to digital pin 5
 * LCD D5 pin to digital pin 4
 * LCD D6 pin to digital pin 3
 * LCD D7 pin to digital pin 2
 * LCD R/W pin to ground
 * 10K resistor:
 * ends to +5V and ground
 * wiper to LCD VO pin (pin 3)
 
*/ 
// include the library code:
#include <LiquidCrystal.h>
#define BUFFSIZ 90
 
//RFID parser
char buffer_RFID[BUFFSIZ];
char buffidx_RFID;
char response_str[64];
 
char command_scantag[]={0x31,0x03,0x01};//const
 
unsigned char  incomingByte;
 
unsigned char parsed_okay=0;
 
unsigned char tag_found_number;
 
unsigned int bytecount=0;
 
// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
 
void setup(){
 
  parsed_okay=0;
 
  // set up the LCD's number of columns and rows: 
  lcd.begin(16, 2);
  // Print a message to the LCD.
  lcd.print("Xbee UHFRFID Reader");
 
  Serial.begin(9600);
  Serial1.begin(115200);
 
 
 
}
 
void loop() 
{
 
 
 
  while(Serial.available())
  {
    incomingByte = Serial.read();
 
    Serial1.print(incomingByte);
  }
 
  while(Serial1.available())
  {
    incomingByte = Serial1.read();
    Serial.print(incomingByte);
 
  }
 
 
 
 
 
 
}

FAQ

Please list your question here:

 

  • I was wondering if it comes with an antenna, or do I need to purchase one separately? Do you have any suggestions on where I can get one, or is it easy to build my own? I am trying to get up to 2-3 m reading.
    • No. It doesn't come with an antenna. There are three options for the antenna:
      • Starter antenna. This antenna can work up to 1 meters. You can order 1 meter antenna.
      • An antenna can work up to 3 meters. You can order here.
      • An antenna can work up to 5 meters. You can order here.
  • I was wondering if this reader supports adjustable power levels over UART commands?
    • No. It doesn't.

Support

If you have questions or other better design ideas, you can go to our forum to discuss or creat a ticket for your issue at linksprite support.

Resources

Product Reviews

Write Review

This product hasn't received any reviews yet. Be the first to review this product!

Find Similar Products by Category