Справочник Пользователя для HIWAVE Inc HW-RFR900T
-5-
2. Specifications
2.1. RFID board
Parameter
Measurements
Remark
Frequency range
910.2MHz ~ 920MHz
UHF RFID ISM BAND
Output power
27dBm
MAX / total
Output PWR variation
15dBm ~ 27dBm
Current
Scan mode
Under 1000 mA
Max power
- 20dBm
- 12dBm
Idle mode
Under 250 mA
-
Output PWR resolution
-
Adjustable in GUI
RF port Impedance
50ohm
SMA or H.FL connector
Modulation ASK
Spectrum Mask
29.6dBch, 30.1dBch
fc +200kHz,-200kHz
59.6dBch, 60.1dBch
fc +400kHz,-400kHz
69.5dBch, 70.3dBch
fc +600kHz,-600kHz
73.7dBch, 73.8dBch
fc +800kHz,-800kHz
ASK
Envelope
Rise Time
7.09us
t
r
Fall Time
7.20us
t
f
Ripple 0.0214
M
h-
M
l
Pulsewidth 0.125
PW
Depth 96.64%
Dep
Interface RS-232
Supply Voltage
5±0.5 Vdc