User's Manual

Savi ST-674 Sensor Tag Installation Guide
16
Specifications
Model Numbers ST-674-030: Sensor tag
ST-674-030-NSN: Sensor 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: Black
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, 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, replaceable by user
without tools
Battery life: Approximately 4 years at 2 collections
per day. Over-polling protection algorithm to extend
battery life