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17
UHF Gen 2 RFID Radio Specifications
Parameter
Min.
Typ.
Max.
Unit
Conditions
Frequency
902
928 MHz
See §
R7104C Technical Specifications page 9
865.6
867.6 MHz
Input impedance
50
Ω
Input match
-10
dB
S11
Rx sensitivity
-85
dBm
10%PER, assuming 20 dB antenna RL @ 30 dBm
output
Tab. 3.6: RF Receiver Specifications
Parameter
Min.
Max.
Unit
Notes
Tx Power
10
30 dBm
Meets FCC and equivalent regulatory
constraints
Tx Power Error
1 dB
Difference between desired Tx power and
actual Tx power
Return Loss
0
dB
No damage into open RF port at 30 dBm
at any phase angle
Frequency
865.6
867.6 MHz
ETSI EN 302 208 v3.3.1
902
928 MHz
FCC part 15.247
Tab. 3.7: RF Transmitter Specifications
Device Input and Output Specifications
Parameter
Min.
Typ.
Max.
Unit
Conditions
nRST
VIL
-0.3
0.8 V
VIH
2
3.6 V
Hysteresis voltage
400
mV
Internal pull-up resistor
14
21
25
kΩ
Reset pulse width
25
μs
WKUP
VIL
-0.3
0.8 V
VIH
2
3.6 V
Hysteresis voltage
400
mV
Internal pull-down resistor
20
35
50
kΩ
Digital inputs
VIL
-0.3
0.8 V
VIH
2
3.6 V
Hysteresis voltage
400
mV
Internal pull-down resistor
20
35
50
kΩ
Digital outputs
VOL
0.0
0.6 V
VOH
2.7
3.6 V
Drive current (sink or source)
8
mA
UART
Default baud rate
921.6 kbaud
Configurable baud rate
9.6
921.6 kbaud
Data bits
8
bits
Parity bit
None
Stop bits
1
bits
Tab. 3.8: Digital Interface Specification
