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s Wireless Modem
TECHNICAL: 0118 931 2233
Table 2-1. Antenna Characteristics
RF Accessories
TPA 24 Transmit Power Amplifier
The TPA 24 amplifies the transmit power to a fixed output of 24 dBm (250 mW). The TPA
24 is especially useful when long RF cable runs are required. The TPA 24 also simplifies
antenna alignment by enabling the use of wider dispersion transmit antennas.
The TPA 24 comes in two models: TPA 24 LL and TPA 24 LH. The TPA 24 LL receives
input power in the range of -10dBm to 0dBm. The TPA 24 LH receives an input power of
0dBm to +10dBm. Both models then amplify the input power to a fixed output level of
24dBm (250mW). The TPA 24 gets its DC power supply from the modem transmitter
through the RF cable.
When used in compliance with ETSI regulations, the TPA 24 can be connected to cables and
antennas resulting in a total transmitted power of 20dBm (100 mW) EIRP.
See page 105 for further information.