A - 2 WT4090 Wearable Terminal User Guide
Operating System Microsoft Windows CE 5.0 Professional
Memory WT4070/90: 64 MB Flash/128 MB RAM or 128 MB Flash/128 MB RAM
Voice Only WT4090: 128 MB Flash/128 MB RAM
Application Development PSDK, DCP and SMDK available through Symbol Developer Zone web site
Data Capture Options RS309 scanner
RS409 scanner
RS507 Hands-free imager
User Environment
Operating Temperature -4 °F to 122°F (-20 °C to 50 °C)
Storage Temperature -40 °F to 158 °F (-40 °C to 70 °C)
Battery Charging Temperature 32 °F to 104 °F (0 °C to +40 °C) ambient temperature range.
Humidity 5% to 95% non condensing
Drop Specification Multiple 4 ft.(1.2 m) drops to concrete across operating temperature range
Tumble 500 half-meter tumbles at room temperature (1,000 drops)
Environmental Sealing IP54 Category 2
ESD ± 15k VDC air discharge
± 8k VDC direct discharge
± 8k VDC indirect discharge
WLAN Wireless Data Communications
WLAN radio WT4070: Symbol 802.11b/g
WT4090: Symbol 802.11a/b/g
Operating Channels Channel 8 - 169 (5040 - 5845 MHz) (4920 - 4980 MHz) Japan only
Channel 1 - 13 (2412 - 2472 MHz)
Channel 14 (2484 MHz) Japan only
Actual operating frequencies depend on regulatory rules and certification agency
Security WPA2, WEP (40 or 128 bit), TKIP, TLS, TTLS (MS-CHAP), TTLS (MS-CHAP v2),
TTLS (CHAP), TTLS-MD5, TTLS-PAP, PEAP-TLS, PEAP (MS-CHAP v2), AES,
LEAP, CCX v3
Voice Communication Runs voice recognition engines and text-to-speech engines for voice picking
applications
Output Power 100 mW U.S. and International
Data Rate 802.11a: up to 54Mb per second
802.11b: up to 11Mb per second
802.11g: up to 54Mb per second
Frequency Range 802.11a: 5 GHz; country-dependent
802.11b: 2.4 GHz; country-dependent
802.11g: 2.4 GHz; country-dependent
Table A-1
Technical Specifications (Continued)
Item Description
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