TMA2138

TWIN TMA 700H/850MHz

SEPARATE 700/850 ANTENNA PORTS

Designed to be deployed in co-located 700 and 850MHz networks, the Kaelus TMA2138 provides gain in the 700H & 850MHz uplink bands.

FEATURES

  • Improved base station sensitivity through excellent noise figure performance and linearity
  • AISG 2.0 compliant, software upgrade w/AISG “personality” upload
  • Suitable for CDMA and LTE signals
  • Rejection of public safety/SMR bands allows co-location
  • AISG OOK + DC output switching to SBT equipped antennas
  • AISG OUT connector disabled when AISG device (SBT equipped antenna) present on Port 1 +R1
  • One AISG subunit per LNA, 4 in total
  • Passive 698-746MHz response for feedline/antenna sweep/PIM testing

technical specifications
Band700H 850
downlink
Passband746.5 - 755.5MHz869 - 894MHz
Bandwidth10MHz LTE signal centred on 751MHzNA
Insertion loss0.3dB typical0.4dB typical
Return loss24dB typical
Group delay variationIn 5MHz = 10ns typicalIn 5MHz = 10ns typical
Maximum input power60W (average) / 600W (PEP)150W (average) / 1.5kW (PEP)
Intermodulation products-155dBc maximum, at antenna port with 2 x 20W carriers (in RX band)
uplink
Passband777.5 - 786.5MHz824 - 849MHz
Bandwidth10MHz LTE signal centred on 782 MHzN/A
Gain15dB
Gain variation±1dB maximum±1dB maximum in any 10MHz
±1.2dB maximum in 25MHz
Return loss22dB typical
Bypass return loss12dB typical
Bypass loss3.0dB typical
Noise figure1.6dB typical1.3dB typical
Output IP3+30dBm typical
Maximum input power with no damage+12dBm maximum
Group delay variation300ns maximumIn 5MHz = 300ns maximum
RejectionRx in filter rejection 763 - 775MHz = 40dB minimumRx in filter rejection 851 - 856MHz = 30dB minimum
700l - non intrusive testing
Passband698- 746MHz
Insertion loss0.5dB maximum
electrical
Impedance50Ohms
power supply and alarm (current window alarm mode, default)
Current window alarm mode (CWA) is the default operating mode and can be configured to specific customer requirements. The TMA2138 is configured so that all LNAs are powered regardless of which BTS port has DC power. If DC is applied on only one port, the normal DC supply current will exceed the value tabled below. Please contact Kaelus for more information.
DC supply voltage+8.5 to +18V DC, case is DC ground
DC supplyEach BTS port powered individually
DC supply current, normal mode200mA per port typical (both ports are powered)
DC supply current, alarm mode300mA per port typicall (both ports are powered)
aisg mode of operation (auto selected on valid aisg 2.0 frames)
AISG signals can be applied to either BTS port. The TMA unit switches to AISG mode when valid frames are detected on either BTS port. All LNAs take DC power from the port with the AISG frames or, if DC is present on both ports, power will be supplied equally between the ports. Each LNA is controlled uniquely by its sub-unit number.
DC supply voltage+7.5V to +30V DC
AISG version2.0 (1.1 optional)
Supply current, AISG mode265mA @ 7.5V, 75mA @ 30V typical
AISG connector, current ratingIEC60130-9, 8-pin female, < 4A peak, 2A continuous, pin 6
Field firmware upgradableYes
AISG pass through to antenna portYes
antenna aisg and dc
When DC is applied to the TMA, it is initially switched through to ANT1 port. If a nominal DC current is measured (<2A), DC and AISG are passed through the ANT1 port for antenna AISG control and AISG OUT - 8PIN connector is disabled. If a short circuit is present (>4A) the ANT1 port is disabled and DC and AISG is passed to the AISG OUT port. If a nominal load is measured on the AISG OUT, DC and AISG are passed out the AISG OUT port for antenna AISG control through an external AISG cable. If the AISG OUT port is also a short circuit,the AISG OUT port is also disabled. After AISG routing is determined monitoring of the DC and AISG continues, a short circuit on either enabled port will shut down the affected port, if ANT1 port is shut down DC and AISG will be routed to the AISG OUT port if available.
Mode of OperationExpected load
on
ANT1 port
Expected load
on
AISG OUT port
AssumptionCondition
ANT AISG control via ANT1 port50ohms termination (ie antenna) or open circuit
See Note 1
Any load possible
Short preferred
See Note 2
AISG capable device available via RF portDC and AISG will be supplied to ANT1 port. DC and AISG is disabled from the AISG OUT port
ANT AISG control via AISG OUT portShort circuit50ohms termination (ie antenna RET cable/device) or Open circuitAISG capable device available via external RET cableDC and AISG will not be supplied to ANT 1 port. DC and AISG are supplied to the AISG OUT port
ANT AISG disabledShort circuitShort circuitFault or short circuit present on AISG circuitsAISG disabled for both ANT1 and AISG OUT port. Note TMA continue to operate while DC is applied to BTS ports
Note1: Expected current drawn <2A. If the current rises above 2A but remains below 4A, the current will continue to be monitored for a further 15 seconds. If it remains above 2A after 15 seconds the DC/AISG will be disabled
Note 2: To re-enable the DC/AISG feed on ANT1 and/or AISG port, the TMA will need to be re-started.
environmental
For further details of environmental compliance, please contact Kaelus.
Temperature range-40ºC to +65ºC | -40°F to +149°F
Ingress protectionIP67
Altitude3,000m | 10,000ft
Lightning protectionIEC61312-1, RF: ±5kA maximum (8/20us), AISG: ±2kA maximum (8/20us)
MTBF>1,000,000 hours
ComplianceFCC Part 15 subpart B
mechanical
Feature TWIN
2 IN / 4 OUT
QUAD
4 IN / 8 OUT
Dimensions H x D x W260 x 160 x 195mm | 10.2 x 6.3 x 7.7 in260 x 325 x 195mm | 10.2 x 12.8 x 7.7 in
Weight9.5 kg | 21 lbs19 kg | 42 lbs
FinishPainted, light grey (RAL 7035)
ConnectorsDIN 7-16(F), AISG(F)
MountingPoll/wall bracket supplied with two metal clamps 45-178mm diameter poles
ordering information
Part NumberConfigurationOptional FeaturesConnectors
TMA2138F03V4-1ATWIN 2 in / 4 outAISG ON ANT +R1DIN 7-16 (F)
TMA2138F03V4-2AQUAD 4 in / 8 outAISG ON ANT +R1DIN 7-16 (F)
electrical block diagram
ELECTRICAL BLOCK DIAGRAM
NOTE: PORT 1 "+R1" AIGS OUT (700 BAND) is ANT1 on this electrical diagram
mechanical block diagram
MECHANICAL BLOCK DIAGRAM MECHANICAL BLOCK DIAGRAM

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