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M10 Hardware Design
M10_HD_V3.0
- 66 -
4.2. RF output power
Table 28: The module conducted RF output power
Frequency
Max
Min
GSM850 33dBm
±2dB 5dBm±5dB
EGSM900 33dBm
±2dB 5dBm±5dB
DCS1800 30dBm
±2dB 0dBm±5dB
PCS1900 30dBm
±2dB 0dBm±5dB
Note: In GPRS 4 slots TX mode, the max output power is reduced by 2.5dB. This design
conforms to the GSM specification as described in chapter 13.16 of 3GPP TS 51.010-1.
4.3. RF receiving sensitivity
Table 29: The module conducted RF receiving sensitivity
Frequency
Receive sensitivity
GSM850
< -108.5dBm
EGSM900
< -108.5dBm
DCS1800 <
-108dBm
PCS1900 <
-108dBm
4.4. Operating frequencies
Table 30: The module operating frequencies
Frequency Receive
Transmit
ARFCH
GSM850 869~894MHz
824~849MHz
128~251
EGSM900 925~960MHz
880~915MHz
0~124,
975~1023
DCS1800 1805~1880MHz
1710~1785MHz
512~885
PCS1900 1930~1990MHz
1850~1910MHz
512~810
4.5. Recommendation of RF pad welding
If external antenna is connected with RF cable welded on the RF pads, please refer to figure 47.
Any incorrect welding type may cause poor performance both in transmitting power and receiving
sensitivity.
Содержание M10
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Страница 68: ...M10 Hardware Design M10_HD_V3 0 67 Figure 47 Recommendation of RF pad welding...
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