A full band 1800MHz tower mounted amplifier with good noise figure performance, the Kaelus TMA2036 improves uplink gain thereby increasing site coverage and capacity in cellular networks.


  • Full band 1800MHz
  • High linearity and low noise performance
  • Fail safe bypass mode with lightning protection
  • AISG and current dump compatible hardware and software configuration using AISG “personality” upload

technical specifications
downlink (tx) path
Passband 1805 - 1880MHz
Return loss 18dB minimum (VSWR <1.3:1)
Insertion loss 0.6dB typical
Group delay variation 5ns maximum (200kHz) | 30ns maximum (4MHz)
Maximum input power with no damage 150W (average) / 1.5kW (PEP)
uplink (rx) path
Passband 1710 - 1785MHz
Nominal gain 12dB typical
Gain variation over frequency, temperature ±1dB maximum
Noise figure 1.2dB typical
Return loss 18dB minimum operating, 14dB minimum in bypass
Bypass loss 2dB typical
Group delay variation 5ns maximum (200kHz) | 30ns maximum (4MHz)
Output IP3 +30dBm typical
Impedance 50ohms
Intermodulation products -153dBc maximum at antenna port, 2 x 20W carriers
power supply and alarm (current window alarm mode, default)
Current window alarm mode (CWA) is the default TMA operating mode and can be configured to specific customer requirements. The generic personality (F00V1) is configured so that both channels are independently powered and monitored via the respective BTS port. The BTS port sinks additional current to indicate an alarm state in its uplink path. Normal operating and alarm current values are configured independently and are alterable via a field-loadable personality file.
DC supply voltage +8V to +30V DC, negative ground
DC supply voltage via BTS-RF cable Each BTS port powered individually (programmable)
DC supply current, normal mode 100mA typical, 120mA maximum (programmable with two BTS ports powered
DC supply current, alarm mode 200mA typ per port (programmable)
DC supply current, alarm mode programmable range 150-250mA, with 100mA normal operating current
aisg mode of operation (auto selected on valid aisg 2.0 frames)
AISG signals can be applied to either BTS1 or BTS2 port. The TMA unit switches to AISG mode when valid frames are detected on one of the BTS ports. Both LNA’s take DC power from the port with AISG frames or, if DC is present on both ports, both channels supply equal power to the TMA.
DC supply voltage +8V to +30V DC
AISG version 2.0 (1.1 optional)
Supply current, AISG mode 55mA at 30V, 135mA at 12V
Voltage drop, BTS to AISG port 1.5V maximum at 2A
AISG connector, current rating IEC60130-9, 8-pin female, < 4A peak, 2A continuous, pin 6
Field firmware upgradable Yes
For further details of environmental compliance, please contact Kaelus.
Temperature range -40º to +65ºC | -40º to +149ºF
Ingress protection IP67
Altitude 2,600m | 8,530.2ft max
Lightning protection IEC61312-1, RF: ±5kA maximum (8/20us), AISG: ±2kA maximum (8/20us)
MTBF 1.000,000 (hours)
Compliance EMC:EN301 489, ETSI EN 300 019 class 4.1, RoHS
Dimensions H x D x W 270 x 73 x 200mm | 10.63 x 2.87 x 7.87in (excluding connector and mounting bracket)
Weight 6kg | 13.2lbs
Finish Painted, light grey (RAL7035)
Connectors DIN 7-16 (F) x 4 long neck, AISG (F) x 1
Mounting Pole/wall bracket supplied with two metal clamps 45-178mm diameter poles
ordering information
Part Number Configuration Optional Features Connectors
xx Denotes customized CWA configurations
TMA2036F00V1-1 TWIN, 2 in / 2 out Generic CWA configuration DIN 7-16 (F)
TMA2036FxxV1-1 TWIN, 2 in / 2 out BASE MODEL DIN 7-16 (F)
electrical block diagram
mechanical block diagram