Specifications |
Digi XBee SX RF Modems |
PERFORMANCE |
|
INDOOR/URBAN RANGE |
Up to 18 km (11 mi)* at low data rate |
OUTDOOR/RF LINE-OF-SIGHT RANGE |
Up to 105 km (65 mi)** at low data rate |
TRANSMIT POWER |
Up to 30 dBm software selectable |
RF DATA RATE (SOFTWARE SELECTABLE) |
Low data rate: 10 kbps; Middle data rate: 110 kbps; High data rate: 250 kbps |
RECEIVER SENSITIVITY |
Low data rate: -113 dBm; Middle data rate: -106 dBm; High data rate: -103 dBm |
RECEIVER IF SELECTIVITY |
Low data rate: 40 dB @ 250 kHz; 50 db @ 500 kHz |
|
Middle data rate: 30 dB @ 250 kHz; 40 db @ 500 kHz |
|
High data rate: 30 dB @ 500 kHz; 45 db @ 1000 kHz |
RECEIVER RF SELECTIVITY |
Below 900 MHz and above 930 MHz: >50 dB |
NETWORK AND SECURITY |
|
FREQUENCY RANGE |
ISM 902 MHz to 928 MHz |
SPREAD SPECTRUM |
Frequency hopping |
SUPPORTED NETWORK TOPOLOGIES |
Mesh, Point-to-point, Point-to-multipoint, Peer-to-peer |
MODULATION |
Gaussian Frequency Shift Keying (GFSK) |
ENCRYPTION |
Optional 254-bit Advanced Encryption Standard (AES) cipher block chaining (CBC) Encryption |
ANTENNA |
|
CONNECTOR |
RPSMA |
ANTENNA IMPEDANCE |
50 Ω unbalanced |
INPUT LEVEL AT ANTENNA PORT |
Maximum 6 dBm |
POWER REQUIREMENTS |
|
SUPPLY VOLTAGE RANGE |
7-30 VDC |
TYPICAL SUPPLY VOLTAGE |
12 V |
RECEIVE CURRENT |
20 mA (@12V) |
TRANSMIT CURRENT |
300 mA (@12V) |
SLEEP CURRENT |
5 mA (@12V) |
PHYSICAL PROPERTIES |
|
SIZE |
4.5 in x 2.75 in x 1.125 in (11.4 cm x 7 cm x 2.9 cm) |
WEIGHT |
5 oz (142 g) |
DATA CONNECTION |
Female RJ-45 (RS232/485), 10-pin screw terminal (4 digital, 4 analog, GND, 12 VDC output), USB mini-B (configuration port) |
OPERATING TEMPERATURE |
-40° C to +85° C (Industrial) |
REGULATORY APPROVALS |
|
FCC (U.S.A) |
MCQ-XBPSX |
IC (CANADA) |
1846A-XBPSX |
C-TICK (AUSTRALIA) |
RCM |
ROHS |
Compliant |
ANALOG INPUTS |
|
ABSOLUTE VOLTAGE RATING |
Maximum: 11 V; Minimum: -.05 V (each pin) |
OPERATING INPUT RANGE |
Single-ended voltage mode: 0 – 10 VDC |
|
Current loop mode: 4 – 20 mA |
|
Differential voltage mode: ± 4 VCD |
IMPUT IMDEDANCE |
Single-ended voltage mode: 13300 Ω |
|
Current loop mode: 120 Ω |
|
Differential voltage mode: ~1 MΩ |
RESOLUTION |
10 bits |
ACCURACY |
.5% at 25º C |
DIGITAL INPUTS |
|
INPUT TYPE |
Non-inverting Schmitt trigger gate |
POSITIVE-GOING SWITCHING THRESHOLD |
2.5 V |
NEGATIVE-GOING SWITCHING THRESHOLD |
1 V |
ABSOLUTE VOLTAGE RATING |
Maximum: 31 V; Minimum: -.05 V (each pin) |
IMPUT IMDEDANCE |
~1 MΩ |
DIGITAL OUTPUTS |
|
OUTPUT TYPE |
Open collector sinking driver |
MAXIMUM SINK CURRENT |
200 mA |
MAXIMUM SUPPLY VOLTAGE |
31 V (for external pull-up resistor) |
RESISTOR PULL-UPS |
10 kΩ pulled up to 3.3 VDC |