SM1211E915 Semtech, SM1211E915 Datasheet - Page 70

• Manufacturer Part Number: SM1211E915
• Description: Dev Kit Accessory
• Manufacturer: Semtech

Specifications of SM1211E915

• Modulation Type: FSK, OOK
• Data Rate Max: 200Kbps
• Frequency Range: 902MHz To 928MHz
• Supply Voltage Range: 2.1V To 3.6V
• Module Interface: SPI
• Supply Current: 25mA
• Accessory Type: RF Module
• Sensitivity: -105dBm
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Package Type: TQFN EP
• Operating Supply Voltage (min): 2.1V
• Operating Supply Voltage (typ): 2.5/3.3V
• Operating Supply Voltage (max): 3.6V
• Sensitivity (dbm): -105dBm
• Rohs Compliant: NA
• Lead Free Status / RoHS Status: na
• Lead Free Status / RoHS Status: na

Note: it is also possible to move from one channel to the other one without having to switch off the receiver. This
method is faster, and overall draws more current. For timing information, please refer to TS_RE_HOP on Table 8.
Rev 7 – Sept 2
ADVANCED COMMUNICATIONS & SENSING
7.3.4. Receiver Frequency Hop Optimized Cycle
nd
, 2008
SX1211 is in Rx mode
On channel 1 (R1/P1/S1)
1.3mA typ.
3mA typ
SX1211
IDDFS
IDDR
IDD
Figure 52: Rx Hop Cycle
TS_HOP
Wait
Page 70 of 92
TS_RE
1. Set R2/P2/S2
2. Set SX1211 in FS mode, change
MCParam_Band if needed, then switch
from R1/P1/S1 to R2/P2/S2
Wait
SX1211 is now ready
for data reception
Set SX1211 back in Rx mode
Time
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SX1211