Epson TM-T20II OT-WL02 Technical Reference Guide - Page 13
Environmental Specifications, Limitations for wireless communication
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Chapter 1 Product Overview Specifications Power-supply Voltage DC +5 V Current Consumption Maximum 0.4 A Frequency Range 2.4 GHz band (1 to 13 Ch) Channels 12 and 13 are only available for 739 model. Potential Interference Range 40 m Appearance Wireless LAN unit: Approx. 24 x 51 x 10 mm (W x D x W) USB extension cable: 1 m (length) 1 Environmental Specifications Temperature Humidity Item Operating Conditions Storage Conditions Operating Conditions Storage Conditions Specifications 0 to 45°C {41 to 113°F} -5 to 50°C {23 to 122°F} 10 to 90% RH 10 to 90% RH Limitations for wireless communication • The transmission of the radio waves cannot be stopped. The only way to stop the transmission of radio waves is to turn the TM printer off. • Countries where this product can be used are limited. Since notes are provided for each country, check the manual supplied with the product. • When setting the encryption type, there are the following restrictions: • WPA/WPA2-PSK is not available in the Ad-Hoc mode. • When using the OT-WL02 in the Ad-Hoc mode, printing a status sheet is subject to the following restrictions • Even if there is no host computer to connect to, "Connect" appears as the Link Status. • Between power-on and the time when the printer to connect is found, "0dBm" appears as the Signal Level. If the host computer connected to the TM printer discontinues communication, the value that had been obtained immediately before discontinuation of communication is held appears. 13