User Manual

DRAFT COPY
Generated on
9/16/2014
2
SNAP Engine SM220 Series Data Sheet 430000-01A
Specifications
Performance
Outdoor LOS Range 3 miles
Transmit Power Output up to +20 dBm
RF Data Rate 250Kbps, 500Kbps, 1Mbps, 2Mbps
Receiver Sensitivity -103 dBm (1% PER, 250Kbps)
Power
Requirements
Supply Voltage 2.0 - 3.6 V
Transmit Current
(Typ@3.3V)
at +20 dBm: 150 mA
at +6 dBm: 55 mA
Idle/Receive On
(Typ@3.3V)
22 mA
Idle/Receive Off
(Typ@3.3V)
7.8 mA
Sleep Mode Current
(Typ@3.3V)
Timed Sleep: 1.27 µA
Untimed Sleep Mode : 390 nA
General
Frequency ISM 2.4 GHz
Spreading Method Direct Sequence (DSSS)
Modulation O-QPSK
Dimensions 29.8mm x 19mm
Operating Temperature - 40 to 85 deg C.
Antenna Options U.FL and Internal F
Weight 3 grams
Networking
Topology SNAP
Error Handling Retries and acknowledgement
Number of Channels
15 fully operational channels, and channel 15
operates in a receive only state
Available I/O
UARTS with optional HW
Flow Control
2 Ports
GPIO 36 total; 7 can be analog-in with 10bit ADC
Agency
Approvals
FCC Part 15.247 FCCID: U9O-SM220
Industry Canada (IC) 7084A-SM220
CE Certified Certified to EN300 328 Version 1.8.1
Table 1: SM220 Specifications at 23° C and 3.3Vunless otherwise noted