AASTRA DT4x2 for MD Evolution User Guide EN - Manual (Page 150)

Reference
MD Evolution – Cordless DT412 / DT422 / DT432 150
Technical Specifications
DECT GAP
The phone has the unique advantages of DECT GAP (Digital
Enhanced Cordless Telecommunications Generic Access Profile).
This means that the quality of speech is as good as that of
conventional fixed telephones. DECT GAP enables interoperability
with other manufacturers’ products.
Cordless telephone
Power supply
Battery
NiMH pack 550 mAh
Standards and regulations
DECT standards EN 301 406, TBR10,TBR22
EMC standards EN 61000-4-2, EN 61000-4-3,
EN 55022 class B
Low voltage directive EN 60950
SAR EN 50360 (Europe), ACA RS 2001
(Australia)
Endurance
Enclosure protection IP64, IEC 60529
Free fall test IEC 68-2-32 ED procedure 1
Dropped 12 times from 1 m
Maximum environmental values during use
Temperature 0 to +40 °C
Dimensions and weight
L x W x H 134 x 60 x 27 mm
Weight 140 g (including battery)
Display lluminated, scratch-proof 128 x 64 pixel
display with characters adjustable in two
sizes (up to 6 rows of 20 characters)
Clip Hinge type (standard) or swivel type