Zebra ST5500 Transition RFID Reader — Track Inventory Location and Direction
The Zebra ST5500 is a pre-configured transition RFID reader designed for retailers, distributors, and manufacturers that need to track not only the presence of tagged items but the direction they are traveling. Unlike standard RFID readers that detect presence only, the ST5500 captures directional movement through doorways, aisles, receiving docks, and warehouse portals — enabling automatic inventory updates the moment stock moves from one zone to another. With reader and antennas integrated into one housing, it deploys in minutes via ceiling suspension or wall mount.
Specification
Physical Characteristics
- Dimensions: 47.0 in. L x 22.0 in. W x 9.0 in. D (19.56 cm L x 14.99 cm W x 4.32 cm D)
- Weight: 23 lbs. / 10.4 kg
Environmental
- Operating Temperature: -4°F to +131°F / -20°C to +55°C
- Storage Temperature: -40°F to +158°F / -40°C to +70°C
- Humidity: 95% RH non-condensing
- ESD: ±15 kV air discharge; ±8 kV direct discharge; ±8 kV indirect discharge
Power Requirements
- Input Power: 18W max (37–55 VDC POE)
Connectivity
- Communications: 10/100 BaseT Ethernet (RJ45) with POE support; USB Client (USB Type B); USB Host Port (USB Type A)
- General Purpose I/O: 2 inputs, 3 outputs, optically isolated (Terminal Block)
- Power Supply: POE, POE+, or +24V DC (UL Approved); 12V–48VDC operation supported
- Antenna Ports: FX 7500-2: 2 monostatic ports (Reverse Polarity TNC); FX 7500-4: 4 monostatic ports (Reverse Polarity TNC)
Hardware, OS and Firmware
- Processor: Texas Instruments AM3505 (600 MHz)
- Memory: Flash 512 MB; DRAM 256 MB
- Operating System: Linux
- Firmware Upgrade: Web-based and remote firmware upgrade capabilities
- Management Protocols: RM 1.0.1 with XML over HTTP/HTTPS and SNMP binding; RDMP
- Network Services: DHCP, HTTPS, FTPS, SFPT, SSH, HTTP, FTP, SNMP, NTP
- Network Stack: IPv4 and IPv6
- Security: Transport Layer Security Ver 1.2, FIPS-140
- Air Protocols: EPCglobal UHF Class 1 Gen2, ISO 18000-6C
- Host Interface Protocol: LLRP
- API Support: Host Applications — .NET, C and Java EMDK; Embedded Applications — C & Java SDK
RF Characteristics
- Frequency (UHF Band — Global): 902 MHz–928 MHz (supports countries using part of this band); 865 MHz–868 MHz US only
- Frequency (UHF Band — US Reader): 902 MHz–928 MHz
- Transmit Power Output: 10 dBm to +31.5 dBm (POE+, 12V to 48V External DC, Universal 24V DC Power Supply); +10 dBm to +30.0 dBm (POE)
- Max. Receive Sensitivity: -82 dBm
- IP Addressing: Static and Dynamic
Warranty
- Coverage: 1 year (12 months) from date of shipment against defects in workmanship and materials under normal operating conditions
Benefits
The ST5500 identifies which direction a tagged item passes through a portal, triggering automatic inventory updates the moment stock moves from backroom to sales floor — no manual scanning required.
From loading docks and receiving areas to metal-dense aisles and manufacturing floors, the ST5500 is pre-configured to operate in zones where fluorescent lighting, metal shelving, and tight read ranges challenge standard readers.
Reader and antennas ship as a single integrated unit. Mount to a ceiling or wall, connect power over Ethernet, and the ST5500 is operational — no additional hardware to source, configure, or cable.
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- Relative air humidity: 5% up to 95% (non-condensing)
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- Supported protocols: UHF EPC Gen2, ISO / IEC 18000-6C, 6B, AEI (Rail)
- Connectivity: BT V2.1 + EDR / BLE V4.1
- Compatibility: Windows, Android & iOS Host
- Design: Compact & Handy design
- Drop: spec: 5m (5ft)
- IP65
- Reading Range: ~3M (According to Tag & Environment).
- Battery Life: a 3.7V 2,200mAh Lithium-Ion Battery (Rechargeable).
- Operating Temperature: -10degree C to 45degree C.
- Dimensions: 165mm x 75mm x 29mm
- Weight: 320 grams