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GWFS Model # 90si 390 690
Type Gateway Low Vol.
Desktop System
Mid/High-Vol.
Desktop System
Spec sheet (PDF)
free PDF reader (external)
90si 390 (33K) 690 (36K)
Mulit-Functional
(Print/Copy/Scan)
Depends on Fax Yes Yes
TEMPEST No No No
Mil-Std-188 161 Yes Yes Yes
SCIP Async Protocol Yes Yes Yes
Nonsecure Faxing Yes Yes Yes
Paper Type n/a Plain Plain
Includes 90si? n/a Yes Yes
Document Feeder n/a 20 Page Automatic 50 Page Automatic
Memory n/a 16 MB Volatile 2 MB Volatile
Original Document Width n/a 8.5″ 8.5″
Approx. Size (HxWxD) inch 1x5x5 12x14x14 17x17x18
Weight (lbs.) 1 19.8 44
Power 110/220 VAC(Auto) 110 VAC 110 VAC