Crystal Sky Technology Limited

China Manufacturer with main products: Security Products, Smart Cards, Time Attendance & Access Control, Locks & Accessories, Door Locks, Smart Card Reader & Writer, Alarm System,...

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Low Cost 125khz RF Module

Payment Terms: T/T, Western Union, MoneyGram
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Guangdong in China

Quick Details

  • Model Number: EM6008



Inlay module. Support EM format IDcard serial number decoding. 5V single power supply, Support external antenna, Wiegand interface.

Very small outline.Size:33x25x8mm, strong anti-jamming design. Different size for antenna can be chosen by client.

1.      Introduction

The KEM6008 is a low cost high performance OEM proximity reader module for use with a simple external antenna. The module features medium read range and small dimensions. The KEM6008 has good read range at 5Volts, making it ideally suited to a wide variety of applications. The same basic unit can be configured to most of the common output formats, including Wiegand, Magstripe and Serial ASCII, making it easy to upgrade existing installations.

2. Features

1. High sensitivity, reliable performance

2. Low cost

3. Medium read range

4. small outline

5. Wide voltage range

6. External antenna needed only, no external resonant capacitor needed

7. Externally programmable interface

8. Potted for environmental protection

9. Plug-in fitting

3.      Principle

The reader module generates a 125KHz inductive field that extends some way beyond the module. When a transponder is placed within the vicinity of the reader module, it draws power from this field. Providing the field is of sufficient strength, the internal microcircuits contained in the transponder begin to function. Data is transferred from the transponder by means of amplitude modulation in such a manner that the transponder varies the rate at which it draws power from the field

In a way that corresponds to internal identity code preprogrammed in its internal memory. These changes in field power can be detected by the reader and converted back into a copy of the original data.

4.      Specifications

Power Requirements

5Volts regulated DC at 55mA typical, 70mA max.


Wiegand, Magstripe, 9600bps Serial ASCII (RS232)

Typical MaximumReadRange in ideal conditions

Range10cmwith70mmx25mmantenna and ISO card

Typical antenna parameter

L=490uH, Q<40


125KHz typical


Read Only

Audio/visual Indication

LED and Buzzer output with optional ext. beeper control


41 X 24 X10mm

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