Brahler DIGIMIC, Operating Instructions Manual

Page: 35 / 46

Technical Data
DIGI MIC®
wireless 35
Technical data
Radio Transceiver Unit DSpark
HF Properties
Kind of Modulation FSK, FHSS
Frequency Range 2400-2480 MHz
Quality of Service (QoS) Predictive & Adaptive Frequency Hopping Algo (PFH & AFH)
Receiver Sensitivity < - 81 dBm at 10
-3
BER
Number of Channels 38
Channel Spacing (minimal) 2.048 MHz
Channel Bandwidth (20 dB) < 2 MHz
Frequency Stability 10 ppm
Number of RF Paths 1 x TX, 4 x RX
Antenna RX Path Swivel omni-directional antennas (4.5 dBi)
Antenna TX Path Swivel directional panel antenna (6 dBi)
Alternative: External directional panel antenna (12dBi)
connection with special coax cable (min. length 6m)
RF Power Out (EIRP) typ. 19 dBm (max. < 20 dBm)
RF Range typ. 400 m (free space range)
Digital Audio Frequency Characteristics
Digital Audio Resolution 16 Bit
Sample Rate 48 kHz
End to End Latency 5-13 ms
Analog Audio Frequency Characteristics
AF Range 20 Hz - 20 kHz
Harmonic Distortion < 0.1 %
SNR + Noise typ. 78 dB(A)
Analog Input / Output Characteristics
Audio Input Nominal Level (-9 dBFS) 1.22 V (= +4 dBu)
Audio Output Nominal Level (-9 dBFS) 1.22 V (= +4 dBu)
General Properties
Temperature Range 0°C to +50°C (with connection to DCen)
0°C to +40°C (with external power supply 05.0292)
Power Supply Voltage 24 - 48 VDC
Current Consumption 350 mA maximum
Dimensions (without antennas) ca. 290 mm x 56 mm x 290 mm (W x H x D)
Weight (incl. antennas) ca. 2.8 kg
In Accordance with standards ETS 300 445, ETS 300 422, FCC Part 15.247, FCC Part 15B,
FCC 15_209, FCC 15_407, EN 61000-6-1, EN 61000-6-3,
EN 61000-4-3, EN 55022, EN 300328, EN 301489-1/-17,
IEC/EN 60065, CISPR22.