Brahler DIGIMIC, Operating Instructions Manual

Page: 36 / 46

Technical Data
36
DIGI MIC®
wireless
DDoc Docking Unit
HF Properties
Kind of Modulation FSK, FHSS
FSK Raw Data Rate 1,536 Mbits/s
Frequency Range 2400 to 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, 1 x RX
Antenna Quarter wave length monopole antenna (one for each RF Path)
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 (in combination with DMIC)
AF Range 20 Hz - 20 kHz
Harmonic Distortion < 0.1 %
SNR typ. 78 dB(A)
Analog Input / Output Characteristics (in combination with DMIC)
Microphone Input Nominal Level typ. 8 mV
Loudspeaker Output Nominal Level - 8 dB
Headset Output Nominal Level 0 dB
General Properties
Temperature Range -10°C to +55°C
Accumulator Voltage 3.0 - 4.1 VDC, nominal 3.7 VDC
Power Supply Voltage 7.5 VDC
(battery charging)
Current Consumption typ. 550 mA (RX) / 740mA (TX) in combination with DMIC
Standby Current Consumption < 1
µ
A
Dimensions (W x H x D) ca. 161 mm x 60 mm x 189 mm
Weight (incl. battery. pack) ca. 550 g
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.