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RFID UHF antennas 

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Content

1  Preliminary note  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  3

1�1  Symbols used� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  3

2  Safety instructions  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  3

2�1 General� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  3

2�2  Target group � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  3

2�3  Electrical connection  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  4

2�4  Tampering with the device  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  4

2�5  Environmental conditions � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  4

3  Product description� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  5

3�1  Low-range antennas� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  5

3�2  Mid-range antennas � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  5

3�3  Wide-range antennas� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  6

3�4  Antenna type according to reading range and transponder shape� � � � � � �  7

4  Reading range and selectivity� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  9

4�1  Antenna allocation according to tag types  � � � � � � � � � � � � � � � � � � � � � � � � �  9

4�2  Reading range  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  9

4�3 Selectivity � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  10

4�4  Selectivity and reading range of the low-range antennas  � � � � � � � � � � � �  10

5  Conformity with standards  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  10
6 Installation� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  13

6�1  Installation location� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  13

6�2  Laying of cables � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  14

7  Typical applications� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  15

7�1  Pharmaceutical industry� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  15

7�2  Access systems  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  15

7�3  Automation industry  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  15

7�4  Other applications for mid-range antennas  � � � � � � � � � � � � � � � � � � � � � � �  15

8 Abbreviations  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  16
9 Approvals  � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  16
10  Maintenance, repair and disposal� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �  16

Summary of Contents for ANT805

Page 1: ...Operating instructions RFID UHF antennas Low range ultra low range Mid range short mid range Wide range ANT805 ANT810 ANT815 ANT820 ANT830 ANT910 ANT920 ANT930 706385 00 11 2014 UK ...

Page 2: ...eading range and transponder shape 7 4 Reading range and selectivity 9 4 1 Antenna allocation according to tag types 9 4 2 Reading range 9 4 3 Selectivity 10 4 4 Selectivity and reading range of the low range antennas 10 5 Conformity with standards 10 6 Installation 13 6 1 Installation location 13 6 2 Laying of cables 14 7 Typical applications 15 7 1 Pharmaceutical industry 15 7 2 Access systems 1...

Page 3: ...ys buttons or indications Cross reference Important note Non compliance may result in malfunction or interference Information Supplementary note 2 Safety instructions 2 1 General These instructions are an integral part of the device They contain texts and figures concerning the correct handling of the device and must be read before installation or use Observe the operating instructions Non observa...

Page 4: ...with the device can seriously affect the safety of operators and machinery This is not permitted and leads to the exclusion of any liability and warranty claims 2 5 Environmental conditions Do not place the device in the vicinity of heatings do not expose it to direct sunlight and do not operate it in wet environments No objects with open flames must be placed onto the device Protect the device ag...

Page 5: ...ar field tags at a very limited distance This antenna can also activate loop shaped tags near field tags up to 3 cm The low range antennas were developed for larger ranges so that they are in particular suitable for near field tags The antenna allocation according to the reading range and tag shape is outlined in chapter 3 4 Figure ANT805 ultra low range antenna ANT810 ANT910 low range antennas 3 ...

Page 6: ...he market The new versions typically attain an axial ratio of 1 dB that is used as reference for circular polarisation The value common on the market if specified at all is approx 3 dB The improved circularity leads to a considerably reduced dependence of the read results on the tag s position or alignment Great importance was also placed on the front to back ratio of the antennas to reduce the in...

Page 7: ...rate and reliable operation of the system The low range ANT810 ANT910 and ultra low range antennas ANT805 can read the loop shaped and dipole type tags up to 10 cm and have a very well defined reading range The short mid range antenna ANT815 can activate hybrid type tags up to 10 cm and dipole type tags up to 100 cm The mid range antennas ANT820 ANT920 can activate loop shaped tags up to 30 cm the...

Page 8: ... 4 m ANT830 ANT930 70 33 ERP ANT820 ANT920 100 30 ERP 20 cm 40 cm 60 cm 80 cm 100 cm 0 20 cm 40 cm 20 cm 40 cm ANT815 100 Pin 30 dBm ANT805 ANT810 100 27 ERP Operate the ifm UHF RFID antennas only with ifm UHF readers to ensure best read and write results ...

Page 9: ...tenna allocation according to tag types The ANT805 ultra low range antenna was developed to meet the most challenging demands with regard to range and selectivity of the tags from all three groups It is a universal antenna for many low range applications With this antenna very low reading ranges below 10 cm and high selectivity with far field tags are possible It can also read near field tags at d...

Page 10: ... 4 Selectivity and reading range of the low range antennas The table below lists the selectivity and reading ranges of the ultra low range and low range antennas Tag type ANT805 ultra low range ANT810 ANT910 low range Selectivity Reading range Selectivity Reading range Loop shaped 3 cm 2 cm 4 cm 4 cm Hybrid type 7 cm 5 cm Dipole type 10 cm 8 cm Figure Selectivity and reading range of ANT805 ANT810...

Page 11: ...y law In case that use is intended for smaller distances the respective SAR values are numerically calculated The assumptions taken as basis such as operating mode of the RFID system and characteristics of the human tissue ensure a conservative estimate of the exposure worst case scenario The calculation was also made for the most sensitive constellation i e for the case that members of the genera...

Page 12: ...re Limit values head and trunk 10 W kg Pin 1 75 W Pin 1 84 W Occupational exposure Limit values local limbs 20 W kg Pin 1 84 W Max input power ANT830 ANT930 Distance person and ANT830 ANT930 5 cm Distance person and ANT830 ANT930 5 cm General public Limit values head and trunk 2 W kg Limit values local limbs 4 W kg Pon 697 mW 28 41 dBm Pon 923 mW 29 65 dBm Occupational exposure Limit values head a...

Page 13: ...g a distance of exactly 12 cm between the rear of the antenna and the metal surface see Figure 2 With direct installation on a metal surface e g a plate as part of a mounting fixture use a square shaped metal plate which should not exceed the dimensions 16 x 16 cm see Figure 3 In addition other objects such as tanks filled with liquids located in direct vicinity affect the functions of the antenna...

Page 14: ...he following notes when laying the cables Lay the cables vertically and straight away from the antenna see figure on the right Avoid cable loops around and on the antenna see figure on the left Figure Incorrectly laid cable Figure Correctly laid cable X ...

Page 15: ...e This ensures that errors during reading and undesired monitoring of people is excluded The ANT820 ANT920 mid range antennas are recommended for access systems such as ski lifts buses and trains That means that tickets can now be checked at medium distance 7 3 Automation industry The low range antennas can be used for RFID automation applications with a defined reading area and high selectivity O...

Page 16: ...munications Standards Institute FCC Federal Communications Commission 9 Approvals The table below lists the approvals of the respective antenna Antenna FCC 902 928 MHz ETSI 865 868 MHz ANT805 X X ANT810 X ANT815 X X ANT820 X ANT830 X ANT910 X ANT920 X ANT930 X 10 Maintenance repair and disposal The device does not contain any components that need to be maintained Do not open the device The device ...

Page 17: ...UK RFID UHF antennas 17 ...

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