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CSR-DMT

Active RepeatersCSR-DMT

UHF/PMR/DMR/TETRA Channel Selective Digital Repeater

Description

  • Full band bi-directional digitally controlled amplifier with
  • Built-in DSP filtering that is highly flexible and configurable on site.
  • Two version available cover UL/DL of 380 - 395 and 410 - 425 MHz.
  • The CSR-DMT is a UHF full band bi-directional digitally controlled amplifier with built-in DSP-filtering that offers communication improvement in Public Safety, DMR, LMR, PMR systems.
  • Full band repeater.
  • Digital processing based filtering.
  • Fully reconfigurable through software.
  • Four band-segments in UL/DL directions.
  • Bi-directional.
  • UL & DL gain is separately adjustable.
  • Automatic gain control.
  • Compact design for easy installation.
  • Small dimensions and light weight.
  • Status indicating LEDs.
  • Local control.

Specifications

Electrical
Model CSR-DMT
Number Of Independent Band-Segments Uplink : 1 up to 4
Downlink : 1 up to 4
Frequency See ordering designations
Band Segments Adjustable through software within specified above frequency range with step 12.5 kHz
Amp. Gain > 70 dB typ. 75 dB
Noise Figure 4.0 dB
Full-Band Flatness ±3 dB typ. ±2 dB
Gain Adjust Range 50 dB totally:
hardware input attenuator 30 dB (step 1 dB)
DSP interstage attenuator for each band-segment 20 dB (step 1 dB)
Automatic Gain Control > 60 dB
Power Supply AC : 100 - 240 VAC, 50 Hz
27 W (full activity) ABSOLUTE MAXIMUM
Bandwidth Full band mode : 5 MHz
Selectivity mode 1 : 25 kHz - 1 MHz with step 25 kHz (adjustable through software)
Selectivity mode 2: 1.1 - 5 MHz with step 100 kHz (adjustable through software)
Downlink Output Power 19 dBm @ one carrier
16 dBm @ two carriers
13 dBm @ four carriers
Uplink Output Power 19 dBm @ one carrier
16 dBm @ two carriers
13 dBm @ four carriers
Input Power -110...-15 dBm
Mechanical
Emi According to ETSI standards TS 101 789-1
Connection(s) N(f)
Colour Black (RAL 9005)
Dimensions 300 x 291 x 103 mm / 11.85 x 11.46 x 4.06 in.
Weight Approx. 6.2 kg / 13.67 lb.
Local Control Interface USB
Mounting 8.5 mm dia. (4 holes)
Environmental
Operating temperature range 0 °C to +40 °C
Ingress Protection IP55

Ordering Designations

Model Product No. Frequency
CSR-DMT-380 127000001 380 - 385 MHz / 390 - 395 MHz
CSR-DMT-410 127000002 410 - 415 MHz / 420 - 425 MHz

Mounting Details

All dimensions are given in mm.

Block Diagram

Typical curves

Figure 2: Selectivity mode – 25 kHz (half BW).

Figure 3: Selectivity mode – 100 kHz (half BW).

Figure 4: Full band mode – 5 MHz (half BW).

EU and UK Declaration of Conformity

Hereby Amphenol Procom declare that the product type CSR-DMT is in compliance with EU Directive 2014/53/EU and
the UK Radio Equipment Regulations 2017 (S.I. 2017 No. 1206).
The full text of the Declaration of Conformity is available at:

https://amphenolprocom.com/images/shop/catalog/pdf-for-catalouges/Declaration-of-Conformity-CSR-DMT 380-410.pdf

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