User's Manual
CHAPTER 1
Introduction
8 Savi Fixed Reader SR-650-101 Installation Guide
Specifications
The Savi Fixed Reader SR-650-101 can be mounted in permanent or
semipermanent sites, as well as in a mobile vehicle. SR-650-101 readers are
designed for indoor or outdoor use.
Specification Description
Physical characteristics Length: 12 inches (30.48 cm) in diameter
Height: 7 inches (17.78 cm)
Weight: 4.2 pounds (1.91 kg)
Case material: Polypropylene with UV inhibitors
Environment Temperature: -26°F to +140°F (-32°C to +60°C)
operating; -40°F to +158°F (-40°C to +70°C) storage
Humidity: 100% condensing
RF receiver/transmitter UHF transceiver (uplink and downlink)
Frequency: 433.92 MHz
Range: Typical transmit range is approximately 328
feet (100 meters) line of sight from the reader to
ST-65x and ST-41x tags. Typical transmit range is
approximately 100 feet (30.48 meters) line of sight
from the reader to ST-645 tags. Typical receive range
is approximately 328 feet (100 meters) line of sight
from all Savi tags
Modulation: FSK, deviation +/- 35KHz for receive,
+/- 50KHz for transmit
Data rate: 27.8Kbps
Air protocol: BCS Commands, EBCS Commands
(refer to Convergence RFID Air Protocol document)
EchoPoint Air Protocol 2.1 (refer to EchoPoint Air
Protocol document)
✦ Two-way UHF commands
✦ Seal extension commands
Data coding: Manchester
Rx Signal Strength Indicator (RSSI): Supported
Architecture: Single UHF board with two channels
Maximum transmit power: 0.15mW