Epson TM-T20II OT-WL05 Technical Reference Guide - Page 12

Specifications Power-supply Voltage Current Consumption Frequency Range USA/ Canada Europe/ Oceania Potential Interference Range Appearance DC 5 V Maximum 0.5 A IEEE 802.11b/g/n (2.4GHz): 1 to 11ch IEEE 802.11a/n (5.0GHz): W52 (36,40,44,48ch) *1 W53 (52,56,60,64ch) *2 W56 (100,104,108,112,116,132,136,140ch) *2 W58 (149,153,157,161,165ch) IEEE 802.11b/g/n (2.4GHz): 1 to 13ch IEEE 802.11a/n (5.0GHz): W52 (36,40,44,48ch) *1 W53 (52,56,60,64ch) *2, *3 W56 (100,104,108,112,116,120,124,128,132,136,140ch) *2 40 m {43.74 yd} Wireless LAN unit: W × D × H: Approx. 67 mm × 20 mm × 10 mm {2.64 × 0.79 × 0.39"} USB extension cable: Length: 1 m {39.37"} 1 Using outdoors is prohibited (excluding USA). 2 Ad hoc mode is unavailable. 3 Using outdoors is prohibited (Europe/Australia). Security Security can be selected from among the following.  WEP  WPA-PSK (AES)  WPA2-PSK  WPA2-Enterprise 12