RWD_QT Datasheet, PDF (18/19 Pages) rfsolutions.ltd – The MicroRWD “QT” (Quad-Tag) version is a complete 125kHz reader solution for Hitag 1,

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Micro RWD QT Module specification
Parameter
Supply Voltage
Operating temperature
AVERAGE current consumption. (1 second polling)
Active period for RF AND host communication (each
polling cycle).
Peak antenna voltage (optimum tuning)
Peak antenna current (optimum tuning) for short period each
polling cycle (up to 10 mS burst)
Polling Delay
Current consumption during Polling delay
Maximum data rate (between card and RWD)
Range (dependent on antenna dimensions and tuning)
Auxiliary output drives
Serial Interface
Serial Communication Parameters
Typical Value
5-volts (+/- 10%)
-40 deg C to + 85 deg C
10mA
Up to 40 mS
100 volts peak-to-peak
150 mA
0 – 600mS
5mA
4k baud
Up to 150mm
Up to 25mA
TTL level RS232
9600 baud, 8 data bits, no
parity, 1 stop bit protocol
with CTS handshake
Basic electrical specification with LEDs pins and auxiliary outputs NOT connected.
During the “Polling Delay” period the logic levels on the RWD pins remain active and so for
minimum current consumption, the LEDs and the auxiliary output drives must be
disconnected.
Micro RWD EM4102 module dimensions and pinout
Standard 0.1inch/ 2.54 mm pitch
1
24
Pins mounted to hybrid
flush with substrate.
PCB Row Spacing
18.5 mm
Unconnected pin pads
Micro
RWD
30.5 mm
12
13
18mm
18