User's Manual
Revision 1.1, Copyright © 2014, Impinj, Inc.
11
Table 5-4: Indy RS500 – Startup and Wakeup Time
Parameter
Min.
Typ.
Max.
Unit
Description
Startup Time
200
ms
Time to receive IRI packets after power supply or
nRST pin initiated startup
Wakeup Time
Time to receive IRI packets after wakeup event
Standby
50
ms
GPIO activity or WKUP rising edge required to wakeup
part.
Sleep
200
ms
WKUP rising edge required to wakeup part.
4.4 UHF Gen 2 RFID Radio Specifications
Table 5-5: Indy RS500 – RF Receiver Specifications
Parameter
Min.
Typ.
Max.
Unit
Conditions
Frequency
902
928
MHz
IPJ-RS500-GX, See section 5.6 for regional support
Frequency
865
868
MHz
IPJ-RS500-EU, See section 5.6 for regional support
Input impedance
50
Ω
Input match
-10
dB
S11
Rx sensitivity
-65
dBm
1% PER, assuming 15dB antenna RL at 23dBm
output
Table 5-6: Indy RS500 – RF Transmitter Specifications
Parameter
Min.
Max.
Unit
Notes
Tx Power
10
23
dBm
Meets worldwide regulatory constraints (except
Japan)
Tx Power
10
20
dBm
Meets Japan regulatory constraints
Tx Power Error
18-23 dBm
-0.5
0.5
dB
Difference between desired Tx power and actual Tx
13-18 dBm
-1.0
1.0
dB
power.
10-13 dBm
-2.0
2.0
dB
Tx ACPR
1
st
Adjacent
-25
dBch
Refer to Gen 2 dense-interrogator transmit mask
1
st
Alternate
2
nd
Alternate
-55
-65
dBch
dBch
spec for definition of channel bandwidths and
measurement regions.
Return Loss
0
dB
No damage into open RF port at 23 dBm at any
phase angle
Frequency
902
928
MHz
IPJ-RS500-GX, See section 5.6 for regional support
Frequency
865
868
MHz
IPJ-RS500-EU, See section 5.6 for regional support