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125Khz Micro USB RFID Reader
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125Khz Micro USB RFID Reader

R65D is 125Khz contactless Android Mini-reader, Using the reader micro USB port connect the device of Android system, Free pluggable without power. Beautifully design, it’s not only simple aspect, but also stable and reliable data.
On the other hand, it can connect with computer by a OTG cable, It’s more easier to transformation between Android phone and Computer (Micro-USB port tun into USB port). Widely used for RFID Radio Frequency Identification system and project, Such as Automated parking management system, Personal identification, Access controller, Production Access control, etc
  • R65D

Ⅰ Technical Parameters




R65D(LF-ID Reader)



Support cards

Em4100,TK4100,SMC4001 and compatible card

Output format

10 digit dec+Enter (Defoult output format)

(Allow user to customize the output format)


35mm×35mm×7mm (Withouut package)


White or Black (Optional)



Power Supply


Operating Distance

0mm-100mm(related to the card or the environment)

Service Temperature

-10℃ ~ +70℃

Store Temperature

-20℃ ~ +80℃

Working humidity


Read time


Read interval



About 20G (Without Package)

About 50G (With Package)

Material of reader


Operating System

Win XP\Win CE\Win 7\Win 10\LIUNX\Vista\Android


Double Color LED (Blue & Green) and Buzzer

 (“Blue” means standby, “Green” means reader success)

ⅡInstructions for use

Method of installation and use

1. Connect with phone/pad of Android system through Micro-USB interface directly. When the reader into the self-inspection. And the same time, LED turn into Blue means standby.

2. Open the output software of phone/pad (such as memo or SMS editor),.

3. The mouse in Message editor or memo clicking.

4. Put tag on the top of reader, the software will output a data(card number) of the tag. When reading the tag, LED light change from Blue to green.

Ⅲ Precautions

1. Do not install the reader on the magnetic objects and metal objects, they will seriously affect the RF signal.

2. If after reading, the tag is still in the induction zone, the RF reader will not send data and without any hints.

3. With OTG function if used in mobile phones directly.

Ⅳ Common problems

1. Operation without feedback: Please check whether the interface plugged in, whether the tag is a valid or whether another RF tag is within the reading range.

2. Data error: Please check Whether the mouse is moved, whether the reader is in a critical state and whether the cable length is too long.



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