Datasheet

LARA-R2 series - Data Sheet
UBX-16005783 - R15 Electrical specifications Page 29 of 48
4.2.5 3G RF characteristics
The 3G bands supported by each LARA-R2 series module are defined in Table 2, while the following
Table 15 describes the Transmitting and Receiving frequencies for each 3G band according to 3GPP
TS 34.121-1 [12].
Parameter
Min.
Max.
Unit
Remarks
Frequency range
Band 5 (850 MHz)
Uplink
824
849
MHz
Module transmit
Downlink
869
894
MHz
Module receive
Frequency range
Band 2 (1900 MHz)
Uplink
1850
1910
MHz
Module transmit
Downlink
1930
1990
MHz
Module receive
Frequency range
Band 1 (2100 MHz)
Uplink
1920
1980
MHz
Module transmit
Downlink
2110
2170
MHz
Module receive
Table 15: 3G operating RF frequency bands
LARA-R2 series modules include a UE Power Class 3 3G transmitter (see Table 2), with output power
and characteristics according to 3GPP TS 34.121-1 [12].
LARA-R2 series modules 3G receiver characteristics are compliant to 3GPP TS 34.121-1 [12], with 3G
conducted receiver sensitivity performance described in Table 16.
Parameter
Min.
Typical
Max.
Unit
Remarks
Receiver input sensitivity
Band 5 (850 MHz)
–115.0
dBm
Downlink RF level for RMC @ BER < 0.1%
Receiver input sensitivity
Band 2 (1900 MHz)
–114.0
dBm
Downlink RF level for RMC @ BER < 0.1%
Receiver input sensitivity
Band 1 (2100 MHz)
–114.0
dBm
Downlink RF level for RMC @ BER < 0.1%
Condition: 50  source, dual receiver, other settings as per 3GPP TS 34.121-1 [12]
Table 16: 3G receiver sensitivity performance