Specifications CM7281
CM7282
Units
VHF
UHF
Bandwidth 40-862
40-300
470-862
MHz
Gain 32
32
32
dB
Gain Flatness
±
2
±
2
±
2
dB
Gain Control
20
20
20
dB
Noise Figure
4.5
4.5
4.5
dB
Output Capability
111 111 111
dB
μ
V 4ch.
110 110 110
dB
μ
V 5ch.
107 107 107
dB
μ
V 8ch.
104 104 104
dB
μ
V 16ch.
Return Loss
12
12
12
dB input
14
14
14
dB
output
Line power
+12
-
+12
V (voltage)
40
-
40
MA
(load)
Input configuration
Single
Dual
Monitor point
-30
-30
Connectors f-type
f-type
IEC16069-24
Mains supply
230
230
V 50Hz
Supply load
5.5W
5.5W
°
C
Operating temp.
0-40
0-40
Safety standard
EN 60065
EN 60065
Size (h) x (W) x (d)
45 x 100 x 163
45 x 100 x 163
mm
Weight 525
545
g
General Safety Precautions
TO PREVENT OVERHEATING
The recommended clearances and other precautions given in the installation section of these
instructions must be observed to prevent overheating. In addition, the units should not be fixed where
they are likely to become smothered by curtains or other fabrics, etc., or by thermal insulation materials
in a roof space or similar building void. The units should not be left resting on a carpet.
OTHER PRECAUTIONS
These appliances are not waterproof. They are for indoor use only and must not be fixed where they
could be exposed to dripping or splashing water. Objects containing liquids should not be placed on
or near the appliance.
To prevent risk of fire, no object with a naked flame should be placed on or near the appliances or the
wiring to them.
CONNECTION TO THE MAINS SUPPLY
Recommendations for the method of connection are given in the instructions section of these
instructions. If the fused connection unit or plug to be used is supplied with wiring instructions such as
cable stripping details, these should be followed. The brown wire of the supply cord must be connected
to the live (L) terminal of the connection unit or plug and the blue wire to the neutral (N) terminal.
Neither wire should be connected to the earth (E) terminal of a connection unit or 3-pin plug. Ensure
that the cord grip in the connection unit or plug is correctly used and clamps the sheath of the cord
firmly.
Fuse type and rating: where the supply connection is made using either a fused connection unit to BS
1363-4 or a plug to BS 1362-1, a 3A (three ampere) fuse to BS1362 should be fitted in the wiring
accessory. Original and replacement fuses should carry the ASTA or BSI approval mark.
