Appendix A: Specifications
XW-110™ WiFi Temperature Sensor Users Manual
Appendix A: Specifications
Wireless Specifications
Network Standards:
IEEE 802.11b/g/n
Frequency Band
2.412 – 2.462 GHz
Wi-Fi Security Standards
Open, WEP, WPA, WPA2
Network Settings:
DHCP or Static
Wireless Range
Up to 250ft (typical for Wi-Fi devices) depends on environment
Antenna:
Integral chip antenna, 1.9 dBi.
RF Output Power (typ)
14dBM (802.11b/g), 12dBM (802.11n)
Operation
Provisioning:
Via internal web server (no cables or PC utilities needed)
Access Point:
Yes, push button activated (setup via web page)
WPS:
Yes, push button activated (Wi-Fi Protected Setup)
Connectivity:
Intermittently connected or always connected
XCD Data Packet:
TCP, 16 to 34 bytes (See
Section 5.3: XCD Format
)
Remote Server:
ControlByWeb's X-600™, X-300™ or cloud-based server
Remote Relays:
Control relays on other ControlByWeb™ products
Polling:
state.xml (only when web-server is active)
Power
External:
5VDC ±10%, 500ma max (via DC power wall adapter)
DC Jack:
5.5mm barrel x 2.5mm center pin (positive)
Internal:
Two replaceable 1.5V “AA” cells
Power Consumption:
27-770uA sleep, 59mA active RX, 229mA TX (at +12dBm)
Battery Usage:
Battery voltage is measured and periodically reported.
Battery Life:
Battery life is affected by model, mode, reporting interval, security,
DHCP, DNS, battery temperature and other variables.
XW-110: Intermittently connected, 2-min push interval via XCD, with
encryption, no DHCP, no DNS: 140,000 transmissions.
XW-110: Always connected, 15-second push interval via XCD, with
encryption, no DHCP, no DNS: 200,000 transmissions.
Internal Push Buttons
Button 1:
Force access-point mode
Button 2:
Activate WPS mode
Temperature Sensors
XW-110:
1-temperature sensor
XW-110 Plus:
3-temperature sensors
Digital “1-wire” thermometer probe
Interchangeable, no calibration needed
Dallas Semiconductor DS18B20 digital 1-wire thermometer
Measurement Range:
-55°C to 125°C (-67°F to 257°F)
Accuracy: +/-0.5°C from -10°C to +85°C
Available in non-submersible (air) or submersible versions
(air temperature sensor included)
Maximum cable length 50 ft (15m)
Page 48
Xytronix Research & Design, Inc.
Summary of Contents for XW-110
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