2 Product Description
The metraTec hfMux-X is an RFID multiplexer for HF systems with an operating frequency of
13.56 MHz and an RF output power of 2 W (-MP version) resp. 4 W (-HP version). It allows
connecting up to four, eight or 16 antennas (depending on the product version) to a single
antenna port. This reduces system complexity and setup costs in cases where many
antennas are needed and also lowers hardware system costs as the number of RFID readers
needed decreases.
The device works irrespective of the manufacturer of the antennas and readers used.
Furthermore, the multiplexer has a very small size and a minimal power consumption which
enables mobile operation. For compatibility of the multiplexer with any other HF RFID
reader, please contact the metraTec Team.
Versions with 4, 8 and 16 antenna ports are available.
2.1 Intended Use
The hfMux-X HF Multiplexer is a device for switching between RFID antenna ports at a
frequency of 13.56 MHz with an RF power of up to 2 Watt (-MP version) resp. 4 Watt (-HP
version. The device is not specified for any other application or frequency.
2.2 Technical Specification
Operating Frequency
13.56 MHz
Antenna Connector
BNC
Voltage
24 V DC nom. (min 18 V DC – max 26 V DC)
Control Inputs
2-4 x 24 V DC, optically isolated
Power Consumption
60 mA
Switching Time
4 µs
Temperature Range
-20 °C to +70 °C
Dimensions
130 x 106 x 44 mm (hfMux-4)
190 x 104 x 39 mm (hfMux-8 and -16)
Housing/Protection
IP 40
Conformity
CE, eg. EN 60950-1
Technical Documentation metraTec HF Multiplexer Page 4 of 13
