Frequency: 2g:gsm900/1800mhz, 3g: 900/2100mhz umts (default) 2g:gsm850/900/1800/1900mhz, 3g:850/1900mhz umts (optional) S260w s261w: the w is an identify letter of s260 s261, all of these models with the same ce certificates. 1)input channel: 4*ds18b20 temperature input 2)output: 1 relay, nc/no contacts, 7a/125v ac, 5a/250vac, 20a/14vdc 3)temperature range: -55~+125c degree(¡§c67f degree to +257f degree) 4)accuracy: 0.5~1c degree from ¡§c10c degree to +85c degree 5)power supply : 9~24vdc 2a 6)power consumption: 12v input max.50ma/average 7)sim card supporting: 3v sim card 8)gsm antenna: 50 ohm sma antenna interface 9)backup battery: 3.7v/1200mah 10)relative humidity: 90%(condensation free) 11)installation: 35mm din rail (s260w) Ip67 enclosure (s261w) 12)connecting wires: 2.5mm 13)exterior dimensions: 145*90*41mm (s260w) 180*140*60mm (s261w) 14)net weight: 250g Main unit x1 2)100~240vac/12vdc 2a power adaptor x1 3)ds18b20 temperature troide x2 4)antenna x1 5)gps antenna x1 (*for gps model optional) x1 6)user manual & pc software cd x1 Packing size: 235 x 225 x 65mm Gross weight: 0.75kg Optional: Gps module Ds18b20 temperature probe with 1/5/10meters wire Ds18b20 temperature probe with anticorrosion packing
