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INTEGRUS | Digital Infra-red Language Distribution System
BOSCH Security Systems B.V.| February 2003
7.4 Receivers,
Battery
Packs and Charging Units
7.4.1 LBB 4540 Pocket Receivers
Physical Characteristics
N
Dimensions (H x W x D)
155 x 45 x 30 mm (6.1 x 1.8 x 1.2 in)
N
Weight excl. batteries/battery pack
75 g (0.16 lb)
N
Weight incl. battery pack
125 g (27 lb)
N
Finish
Charcoal with silver
Electrical and Optical Characteristics
N
IR irradiance level
4 mW/m2 per carrier
N
Angle of half sensitivity
+/-50
G
N
Headphone output level at 2.4V
450 mVrms (speech at maximum volume, 32 Ohm headphone)
N
Headphone output frequency range
20 Hz to 20 kHz
N
Headphone output impedance
32 Ohm to 2 kOhm
N
Max. signal-to-noise ratio
> 80 dB(A)
N
Supply voltage
1.8 to 3.6 V, nominal 2.4 V
N
Power consumption at 2.4 V
15 mA (speech at maximum volume, 32 Ohm headphone)
N
Power consumption (standby)
< 1 mA
7.4.2 LBB 4550/00 NiMH Battery Pack
Physical characteristics:
N
Dimensions (H x W x D)
14 x 28 x 49 mm (5.5 x 11 x 19 in)
N
Weight
50 g (11 lb)
Electrical characteristics:
N
Voltage 2.4
V
N
Capacity 1100
mAH
7.4.3 LBB 4560 Charging Units
Physical Characteristics
N
Mounting
LBB 4560/50: screws and plugs for wall mounting included
N
Dimensions (H x W x D)
LBB 4560/00: 230 x 690 x 530 mm (9 x 27 x 21 in)
LBB 4560/50: 130 x 680 x 520 mm (5 x 27 x 20 in)
N
Weight excl. receivers
LBB 4560/00: 15.5 kg (34 lbs)
LBB 4560/50: 11.2 kg (25 lbs)
N
Weight incl. 56 receivers
LBB 4560/00: 22.3 kg (49 lbs)
LBB 4560/50: 18.0 kg (40 lbs)
N
Finish
Charcoal with grey
Electrical Characteristics
N
Mains voltage
90 to 260 V, 50 to 60 Hz
N
Power consumption
270 W (56 receivers charging)
N
Power consumption (standby)
7 W (no receivers in the charging unit)