Leica GM30 User Manual page 72

Environmental
specifications
Cable length
GR30/GM30/GR50, Technical Data
Temperature
Type Operating temperature [°C]
AR25 -55 to +85
AR20 -55 to +85
AR10 -40 to +70
AS10 -40 to +70
Operating temperatures in compliance with ISO9022-10-08, ISO9022-11-05 and MIL-
STD-810G, Method 502.5-II, MIL-STD-810G, Method 501.5-II
Storage temperatures in compliance with ISO9022-10-08, ISO9022-11-06 and MIL-
STD-810G, Method 502.5-I, MIL-STD-810G, Method 501.5-I
Protection against water, dust and sand
Type Protection
All antennas IP67 (IEC 60529)
Dust tight
Protected against water jets
Waterproof to 1 m temporary immersion
Humidity
Type Protection
All antennas Up to 100 %
Compliance with ISO9022-13-06, ISO9022-12-04 and MIL-STD-
810G Method 507.5-I
The effects of condensation are to be effectively counteracted
by periodically drying out the antenna.
Available cable lengths for all antennas (m)
Coaxial (5 mm) 1.2, 2.8 and 10
Coaxial (11 mm) 2, 10, 30, 50 and 70

The Leica AR20/AR10 antennas are suitable for use with antenna cables of up
to 70 m length without the need for an in-line amplifier. The AR25 antenna can
be used with even longer cables, depending on the type of cable.
Storage temperature [°C]
-55 to +90
-55 to +85
-55 to +85
-55 to +85
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