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UHF Gen 2 RFID Radio Specifications
Parameter
Frequency
Input impedance
Input match
Rx sensitivity
Tab. 3.6: RF Receiver Specifications
Parameter
Tx Power
Tx Power Error
Return Loss
Frequency
Tab. 3.7: RF Transmitter Specifications
Device Input and Output Specifications
Parameter
nRST
VIL
VIH
Hysteresis voltage
Internal pull-up resistor
Reset pulse width
WKUP
VIL
VIH
Hysteresis voltage
Internal pull-down resistor
Digital inputs
VIL
VIH
Hysteresis voltage
Internal pull-down resistor
Digital outputs
VOL
VOH
Drive current (sink or source)
UART
Default baud rate
Configurable baud rate
Data bits
Parity bit
Stop bits
Tab. 3.8: Digital Interface Specification
HARDWARE INTERFACE - Lepton
Min.
Typ.
Max.
Unit
902
928
MHz
865.6
867.6
MHz
50
Ω
-10
dB
-85
dBm
Min.
Max.
10
30
0
865.6
867.6
902
928
Min.
Typ.
-0.3
2
400
14
21
25
-0.3
2
400
20
35
-0.3
2
400
20
35
0.0
2.7
8
9.6
None
7
7
x1 - Lepton
x4 - Technical Information Manual
Conditions
See § Tab. 2.1: Lepton7x1 - R7101C Lepton7x4
R7104C Technical Specifications page 9
S11
10%PER, assuming 20 dB antenna RL @ 30 dBm
output
Unit
Notes
Meets FCC and equivalent regulatory
dBm
constraints
Difference between desired Tx power and
1
dB
actual Tx power
No damage into open RF port at 30 dBm
dB
at any phase angle
MHz
ETSI EN 302 208 v3.3.1
MHz
FCC part 15.247
Max.
Unit
Conditions
0.8
V
3.6
V
mV
25
kΩ
μs
0.8
V
3.6
V
mV
50
kΩ
0.8
V
3.6
V
mV
50
kΩ
0.6
V
3.6
V
mA
921.6
kbaud
921.6
kbaud
8
bits
1
bits
17
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