2. Technical DataDimensions:mm (inch) W x H x D 278 x 238 x 86 (10.9 x 9.4 x 3.4)Weight:kg (lbs) 2.5 (5.5)Housing Material: ALUMINIUM, VA, ABS/PMMAProtection Class: IP 65Operating Temperature:°C (°F) -20 ... 50 (-4 ... 122)Relative Humidity: 5 %...95%, non-condensingPower Requirement: 12...24 VDC / max. 10 WFrequencies: 865 – 868 MHz (EU) or902 – 928 MHz (US) or953 – 956 MHz (JP)Transmit Power: max. 1.6 W E.R.P. (ETSI EN 302 208) or(FCC Part 15), configurableAntenna(s) withbeam width: ≤70°polarization: circular (LHCP or RHCP),adjustable or linearly (vertical or horizontal), adjustableTransponder Protocols: ISO18000-6 C (EPC Class1 Gen2)Anti-Collision: Identification of several transponders in the antenna fieldReading Distance:m (ft.) up to 4 (13.1), depending on transponder, antennaconfiguration and environmental conditionsWriting Distance: up to 50% of reading distance, depending on transponder,antenna configuration and environmental conditionsInterface: RS485Conformity:Human Exposure EN 50364EMC EN 301 489Air Interface EN 302 208 (DRM)V14/05/09 896108_wi_en_li_udl-250_pro_v130214_io_sk_fh_bf.odt 5Wiring and Installation UDL 250