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XBee® SX

900 MHz OEM RF modules pack maximum power, security, and flexibility into the XBee SMT footprint for mission-critical wireless designs

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  • SX family includes powerful 1-Watt 900 MHz XBee-PRO and battery-optimized 20 mW XBee modules for mission-critical OEM designs
  • DigiMesh networking topology for redundancy and reliability
  • 256-bit AES encryption for secure data communications
  • XBee SMT form factor saves valuable PCB space
  • Fully certified for use in unlicensed 900 MHz band
How to Buy

XBee SX 900 MHz RF modules are the muscle modules of the XBee ecosystem, providing a combination of reliability and redundancy for OEMs building low-power, mission-critical wireless devices. They utilize the DigiMesh® networking protocol, featuring redundant mesh network operation and support for low-power sleeping nodes. Customers that don’t require mesh network architecture can configure the SX to operate in simple point to multipoint mode. With RF line-of-sight ranges up to 65 miles and strong interference blocking, these modules are ideal for applications requiring the combination of range, data redundancy, and data reliability.

The XBee SX modules can be configured easily using Digi’s free XCTU software or via Digi’s simplified AT or API command sets. They are pre-certified for use in multiple countries and include integrated antennas, removing the burden of RF development/support costs and enabling fast time to market for OEM designs. The modules provide secure, reliable delivery of critical data between devices with 256-bit AES encryption, and the small XBee Surface Mount form factor saves valuable board space.

MAXIMUM OUTPUT POWER WITH MINIMUM FOOTPRINT
The Digi XBee SX is a small-footprint, maximum output power RF module optimized for secure and reliable wireless communication in critical applications and harsh environments.

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KITS
XBee SX RF Module Dev Kit XK9X-DMS-0 HOW TO BUY
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XBEE 20 MW SX MODULES
XBee SX, 20 mW, DigiMesh, Point to Multipoint, SMT, U.FL, North America XB9X-DMUS-001 HOW TO BUY
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XBee SX, 20 mW, DigiMesh, Point to Multipoint, SMT, RF Pad, North America XB9X-DMRS-001 HOW TO BUY
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XBee SX, 20 mW, DigiMesh, SMT, U.FL, Australia XB9X-DMUS-021 HOW TO BUY
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XBee SX, 20 mW, DigiMesh, SMT, RF Pad, Australia XB9X-DMRS-021 HOW TO BUY
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XBee SX, 20mW, DigiMesh, Point to Multipoint, SMT, U.FL, New Zealand XB9X-DMUS-031 HOW TO BUY
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XBee SX, 20mW, DigiMesh, Point to Multipoint, SMT, RF Pad, New Zealand XB9X-DMRS-031 HOW TO BUY
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XBEE-PRO 1-WATT SX MODULES
XBee-PRO SX, 1W, DigiMesh, Point to Multipoint, SMT, U.FL, North America XBP9X-DMUS-001 HOW TO BUY
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XBee-PRO SX, 1W, DigiMesh, Point to Multipoint, SMT, RF Pad, North America XBP9X-DMRS-001 HOW TO BUY
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XBee-PRO SX, 1W, DigiMesh, SMT, U.FL, Australia XBP9X-DMUS-021 HOW TO BUY
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XBee-PRO SX, 1W, DigiMesh, SMT, RF Pad, Australia XBP9X-DMRS-021 HOW TO BUY
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ANTENNAS
Antenna - 900 MHz, fiberglass base station, 2.1 dBi, N-female. A09-F2NF-M HOW TO BUY
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Antenna - 900 MHz, fiberglass base station, 5.1 dBi, N-female. A09-F5NF-M HOW TO BUY
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Antenna - 900 MHz, fiberglass base station, 8.1 dBi, N-female. A09-F8NF-M HOW TO BUY
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Antenna - 900 MHz, half wave dipole, 2.1 dBi,RPSMA male, articulating. A09-HASM-675 HOW TO BUY
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Antenna - 900 MHz, half wave dipole, 2.1 dBi, RPSMA male, articulating. A09-HASM-7 HOW TO BUY
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Antenna - 900 MHz, yagi, 8.1 dBi, N-female. A09-Y8NF HOW TO BUY
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Antenna - 900 MHz, yagi, 11.1 dBi, N-female. A09-Y11NF HOW TO BUY
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Antenna - 900 MHz, half wave dipole, 2.1 dBi, RPSMA male. A09-HSM-7 HOW TO BUY
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Antenna - 900 MHz, half wave dipole, 2.1 dBi, RPSMA male. A09-HBSM-P5I HOW TO BUY
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SERVICE AND SUPPORT
Customer Training DG-PSTR-CUST HOW TO BUY
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On-site and Troubleshooting DG-PSOS-CUST HOW TO BUY
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Site Survey - RF DG-PSSS-RF HOW TO BUY
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Implementation Planning DG-PSIC-CUST HOW TO BUY
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Installation Services DG-PSPP-CUST HOW TO BUY
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Specifications XBee® SX Module XBee-PRO® SX Module
PERFORMANCE
FREQUENCY RANGE ISM 902 to 928 MHz ISM 902 to 928 MHz
TRANSMIT POWER (SOFTWARE SELECTABLE) Up to 13 dBm Up to 30 dBm*
CHANNELS 10 hopping sequences share 50 frequencies 10 hopping sequences share 50 frequencies
RF DATA RATE Low data rate: 10 kb/s; Middle data rate: 110 kb/s; High data rate: 250 kb/s
MAXIMUM DATA THROUGHPUT High data rate: 120 kb/s High data rate: 120 kb/s
AVAILABLE CHANNEL FREQUENCIES Low and middle data rate: 101**; High data rate: 50 Low and middle data rate: 101**; High data rate: 50
RECEIVER SENSITIVITY Low data rate: -113 dBm; Middle data rate: -106 dBm; High data rate: -103 dBm
RECEIVER IF SELECTIVITY Low data rate, +/- 250 kHz: 40 dB; Low data rate, +/- 500 kHz: 50 dB
Middle data rate, +/- 250 kHz: 30 dB; Middle data rate, +/- 500 kHz: 40 dB
High data rate, +/- 500 kHz: 30 dB; High data rate, +/- 1000 kHz: 45 dB
RECEIVER RF SELECTIVITY Below 900 MHz and above 930 MHz; > 50 dB Below 900 MHz and above 930 MHz; > 50 dB
RURAL RANGE LINE OF SIGHT*** Low data rate: Up to 14.5 km (9 mi) Low data rate: Up to 105 km (65 mi)
URBAN RANGE LINE OF SIGHT**** Low data rate: Up to 2.5 km (1.5 mi) Low data rate: Up to 18 km (11 mi)
INDOOR RANGE Low data rate: Up to100 m (330 feet) Low data rate: Up to 300 m (1,000 feet)
NETWORKING AND SECURITY
MODULATION Gaussian Frequency Shift Keying Gaussian Frequency Shift Keying
SPREADING TECHNOLOGY Frequency Hopping Spread Spectrum (FHSS) Frequency Hopping Spread Spectrum (FHSS)
SUPPORTED NETWORK TOPOLOGIES (SOFTWARE SELECTABLE) Peer-to-peer (master/slave relationship not required), point-to-point/point-to-multipoint, mesh
ENCRYPTION Optional 256-bit AES CBC encryption. Encryption is enabled with the ATKY command.
GENERAL
DIMENSIONS 3.38 x 2.21 x 1.29 cm (1.33 x 0.87 x 0.12 in) 3.38 x 2.21 x 1.29 cm (1.33 x 0.87 x 0.12 in)
WEIGHT 3 g 3 g
ROHS Compliant Compliant
MANUFACTURING ISO 9001:2000 registered standards ISO 9001:2000 registered standards
HOST INTERFACE CONNECTOR 37 castellated SMT pads 37 castellated SMT pads
ANTENNA CONNECTOR OPTIONS U.FL or RF pad U.FL or RF pad
ANTENNA IMPEDANCE 50 ohms unbalanced 50 ohms unbalanced
MAXIMUM INPUT RF LEVEL AT ANTENNA PORT 6 dBm 6 dBm
OPERATING TEMPERATURE -40° C to 85° C -40° C to 85° C
POWER REQUIREMENTS
SUPPLY VOLTAGE 2.4 to 3.6 VDC, 3.3 V typical 2.6 to 3.6 VDC, 3.3 V typical
RECEIVE CURRENT (VCC = 3.3 V) 40 mA 40 mA
TRANSMIT CURRENT (VCC = 3.3 V) 55 mA @ 13 dBm; 45 mA @ 10 dBm; 35 mA @ 0 dBm 900 mA @ 30 dBm; 640 mA @ 27 dBm; 330 mA @ 20 dBm
SLEEP CURRENT (VCC = 3.3 V) 2.5 uA 2.5 uA
REGULATORY APPROVALS
UNITED STATES FCC ID: MCQ-XBSX FCC ID: MCQ-XBPSX
CANADA IC: 1846A-XBSX IC: 1846A-XBPSX
AUSTRALIA RCM RCM
NEW ZEALAND RSM -

* 30 dBm guaranteed at 3.3 V and above. Maximum power will decrease at lower voltages.
** The device hops on 50 channels selected, using the CM command, from 101 available frequencies.
*** We estimate rural ranges based on a 14.5 km (9 mi) range test with dipole antennas.
**** Range estimated assuming that the urban noise floor is approximately 15 dB higher than rural. The actual range depends on the setup and level of interference in your location.

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