|   | 
 Speedway Antenna Hub | 
 GPIO Adaptor for Antenna Hub | 
 |   | 
 Physical Characteristics | 
 | Height | 
 61 mm | 
 61 mm | 
 | Width | 
 102 mm | 
 92 mm | 
 | Depth | 
 24 mm | 
 24 mm | 
 | Weight | 
 100g | 
 80g | 
 | Enclosure | 
 Folded Steel, with 2x 6mm mounting holes | 
 |   | 
 Environmental Specifications | 
 | Operating Temperature | 
  -20°C to 50°C | 
 | Storage Temperature | 
  -20°C to 50°C | 
 | Humidity | 
 5 to 95% Non-Condensing | 
 | Ingress Protection | 
 IP52 | 
 |   | 
 Power | 
 | Power Input | 
 5V | 
 5V | 
 | Power Consumption | 
 25mA, supplied through GPIO Adaptor | 
 5mA, from Speedway Reader | 
 |   | 
 Antenna Setup | 
 | Frequency Range (Australia) | 
 920-926MHz (4W EIRP) | 
 - | 
 | Antenna Port Numbering | 
 1-32 on Antenna Hubs
 1, 9, 17, 25 on native reader ports
  | - | 
 | Power Output | 
 Max Input Power: 34 dBm
 Insertion Loss: 1.3 dB Typical
 Isolation: 36 dB Typical
 Return Loss: 24 dBm Typical
 Antenna Hub Switching Speed: <200 µs based on hardware design
 Device Switching Speed: ~25ms | 
- | 
 | Cabling | 
 RF cable maximum length: Depends on environment/region, typical 1/2 dB per meter signal loss
Digital cable (Cat5) for control, maximum length: 300 ft (100 m) if shielded, 100 ft (30 m) if unshielded | 
HD-15: 1 ft cable for SpeedwayGPIO port included, Custom HD-15 can be manufactured up to 100ft (30 m) max | 
 | Connectors | 
  8 x RF Outputs - SMA Jack (female)
 1 x RF Input - SMA Jack (female)
 1 x Digital I/O - RJ45 | 
 1 x GPIO Input HD15
 4 x Digital I/O  RJ45 |