TMA2142 | MI-191

TWIN TMA 1800/2100/2600 Low-band BYPASS

Designed to be deployed in co-located Low band, 1800, 2100 and 2600MHz systems with wideband antennas, this Tower Mounted Amplifier provides gain in all of the high bands.

Microdata Telecom rebranding to Kaelus!
Microdata Telecom and Kaelus have had combined operations since Oct 2019 when Microdata acquired Kaelus. We strongly believe that by operating under one global brand we will clarify our strengthened position in the telecom market and from January 18th 2021, we are unifying the brands to Kaelus. The MI-191 and the TMA2142 are the same product but to ease the transition for our customers both Kaelus and Microdata part numbers will be maintained.

MI-191: part number under Microdata brand
TMA2142: part number under Kaelus brand.

FEATURES

  • Improved base station sensitivity through gain in the 1800, 2100 and 2600 uplink bands
  • 694-960MHz passed to low band antenna ports
  • Internal diplexing of 1800, 2100 and 2600MHz bands
  • AISG2.0 compatible
  • Compact, low weight
  • Excellent noise figure performance

technical specifications
Band Name 1800 2100 2600
downlink
Passband 1805 - 1880MHz 2110 - 2170MHz 2620 - 2690MHz
Insertion loss 0.5dB typical 0.4dB typical 0.4dB typical
Return loss 18dB minimum
Maximum input power 200W average* 200W average* 200W average*
Intermodulation products -160dBc in RX band at ANT
uplink
Passband 1710 - 1785MHz 1920 - 1980MHz 2500 - 2570MHz
Gain 12dB
Return loss 16dB minimum
Bypass return loss 12dB minimum
Bypass loss 2.0dB typical 2.2dB typical 2.0dB typical
Noise figure 1.4dB typical
Output IP3 +25dBm typical
low band bypass path
Passband 694 - 960MHz
Return loss 18dB minimum
Insertion loss 0.2dB typical
Maximum input power with no damage 200W average*
(*) Versions with 4.3-10 (F) connectors are limited to 500W (average) combined power.
electrical
Impedance 50Ohms
aisg mode of operation (auto selected on valid aisg 2.0 frames)
AISG signals can be applied to the BTS ports. The TMA unit switches to AISG mode when valid frames are detected on either port. Each LNA is controlled uniquely by its sub-unit number.
DC supply voltage 24 V DC nominal
+9.0V to +31V DC
AISG version 2.0
Power consumption, AISG mode < 4W
AISG connector, current rating IEC60130-9, 8-pin female
environmental
For further details of environmental compliance, please contact Kaelus.
Temperature range -40ºC to +65ºC | -40°F to +155°F
Ingress protection IP67
Lightning protection RF: ±5kA (8/20us), AISG: ±2kA common mode (8/20us)
MTBF >1,000,000 hours
Compliance EMC: EN 301 489-23
Safety: EN 62368-1
Operation: ETSI EN 300 019-1-4 class 4.1E
Storage: ETSI 300 019-1-1 class 1.2
mechanical
Dimensions H x D x W 231 x 125 x 309mm | 9.09 x4.92 x 12.16in (excluding brackets and connectors)
Weight 12kg | 26.45lbs
Finish Powder coated, NCS 1502-R
Mounting Pole/wall bracket using two metal clamps, suits 40-140mm diameter poles
ordering information
Part Number Configuration Optional Features Connectors AISG Mode
TMA2142F01V1-1 TWIN, 2 in / 4 out BASE MODEL 4.3-10 (F)
1 x AISG
TRITWO
TMA2142F01V2-1 TWIN, 2 in / 4 out BASE MODEL 7-16 (F)
1 x AISG
TRITWO
MI-19101 TWIN, 2 in / 4 out BASE MODEL 7/16 (F)
1 x AISG
TWOTWO
MI-19102 TWIN, 2 in / 4 out BASE MODEL 7/16 (F)
1 x AISG
TRITWO
MI-19106 TWIN, 2 in / 4 out BASE MODEL 7/16 (F)
2 x AISG
INDEPENDENT MODE
MI-19131 TWIN, 2 in / 4 out BASE MODEL 4.3-10 (F)
1 x AISG
TWOTWO
MI-19132 TWIN, 2 in / 4 out BASE MODEL 4.3-10 (F)
1 x AISG
TRITWO
MI-19136 TWIN, 2 in / 4 out BASE MODEL 4.3-10 (F)
2 x AISG
INDEPENDENT MODE
Note: in the AISG mode "TWOTWO " the multi band TMA is seen as 2 logic units with 2 subunits each and it is only required to connect to one of the two BTS ports. Either port can be used.
Note: in the AISG mode "TRITWO " the multi band TMA is seen as 3 logic units with 2 subunits each and it is only required to connect to one of the two BTS ports. Either port can be used.
electrical block diagram
ELECTRICAL BLOCK DIAGRAM
mechanical block diagram
MECHANICAL BLOCK DIAGRAM

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