User Manual
Table Of Contents
Specifications
15
Specifications
Model
Numbers
ST-654-031: Data-rich tag
ST-654-031-NSN: Data-rich tag with label
Physical
Characteristics
Dimensions: 6.2 in. (15.8 cm) x 2.1 in. (5.4 cm) x 1.1 in
(2.8 cm)
Weight: 3.8 ounces (108g)
Color: Green
Beeper: Audible beeper for tag location
Environmental Temperature: -32°C to +70°C operating; -40°C to +85°C
storage
Humidity: 95% non-condensing
Vibration and shock: MIL-STD-810F
Weatherproofing: IP64
Manufacturing: RoHS Directive 2002/95/EC
Wireless (UHF
Tr a n s c e i v e r )
Frequency: 433 MHz
Communication range (unobstructed): 400 ft. (122m)
operating read/write range (outdoors, non-obstructed)
from Savi SR-650 reader
Protocols: ISO 18000-7 and EchoPoint
Wireless (LF
Receiver)
Frequency: 123 kHz
Communication range: Greater than 20 ft. (6m) from
SP-651-211 Signpost or SP-652-211 Signpost Reader
Protocol: EchoPoint
Power Battery type: 3.6 volt lithium-ion, replaceable by user
without tools
Battery life: Approximately 5 years at 2 collections per day.
Over-polling protection algorithm to extend battery life
Digital Database memory: On-board non-volatile memory: 128
Kb
Wired interface: USB 1.1, USB 2.0