User's Manual

Table Of Contents
TOBY-R2 series - Data Sheet
UBX-16005785 - R06 Electrical specifications
Page 26 of 41
4.2.5 3G RF characteristics
The 3G bands supported by each TOBY-R2 series module are defined in Table 2, while the following Table 14
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
826.4
846.6
MHz
Module transmit
Downlink
871.4
891.6
MHz
Module receive
Frequency range
Band 8 (900 MHz)
Uplink
882.4
912.6
MHz
Module transmit
Downlink
927.4
957.6
MHz
Module receive
Frequency range
Band 2 (1900 MHz)
Uplink
1852.4
1907.6
MHz
Module transmit
Downlink
1932.4
1987.6
MHz
Module receive
Frequency range
Band 1 (2100 MHz)
Uplink
1922.4
1977.6
MHz
Module transmit
Downlink
2112.4
2167.6
MHz
Module receive
Table 14: 3G operating RF frequency bands
TOBY-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].
TOBY-R2 series modules 3G receiver characteristics are compliant to 3GPP TS 34.121-1 [12], with 3G conducted
receiver sensitivity performance described in Table 15.
Parameter
Min.
Typical
Max.
Unit
Remarks
Receiver input sensitivity
Band 5 (850 MHz)
112.0
dBm
Downlink RF level for RMC @ BER < 0.1 %
Receiver input sensitivity
Band 8 (900 MHz)
112.0
dBm
Downlink RF level for RMC @ BER < 0.1 %
Receiver input sensitivity
Band 2 (1900 MHz)
111.0
dBm
Downlink RF level for RMC @ BER < 0.1 %
Receiver input sensitivity
Band 1 (2100 MHz)
111.0
dBm
Downlink RF level for RMC @ BER < 0.1 %
Condition: 50 source, other settings as per 3GPP TS 34.121-1 [12]
Table 15: 3G receiver sensitivity performance