User's Manual
Table Of Contents
- 1. XTend RF Module
- 2. RF Module Operation
- 3. RF Module Configuration
- Programming Examples
- Command Reference Table
- Command Descriptions
- %V (Board Voltage) Command
- AM (Auto-set MY) Command
- AP (API Enable) Command
- AT (Guard Time After) Command
- BD (Interface Data Rate) Command
- BR (RF Data Rate) Command
- BT (Guard Time Before) Command
- CC (Command Sequence Character) Command
- CD (GPO2 Configuration) Command
- CF (Number Base) Command
- CN (Exit AT Command Mode) Command
- CS (GPO1 Configuration) Command
- CT (Command Mode Timeout) Command
- DB (Received Signal Strength) Command
- DT (Destination Address) Command
- E0 (Echo Off) Command
- E1 (Echo On) Command
- ER (Receive Error Count) Command
- FH (Force Wake-up Initializer) Command
- FL (Software Flow Control) Command
- FS (Forced Synch Time) Command
- FT (Flow Control Threshold) Command
- GD (Receive Good Count) Command
- HP (Hopping Channel) Command
- HT (Time before Wake-up Initializer) Command
- HV (Hardware Version) Command
- ID (Modem VID) Command
- KY (AES Encryption Key) Command
- LH (Wake-up Initializer Timer) Command
- MD (RF Mode) Command
- MK (Address Mask) Command
- MT (Multi-transmit) Command
- MY (Source Address) Command
- NB (Parity) Command
- PB (Polling Begin Address) Command
- PD (Minimum Polling Delay) Command
- PE (Polling End Address) Command
- PK (Maximum RF Packet Size) Command
- PL (TX Power Level) Command
- PW (Pin Wake-up) Command
- RB (Packetization Threshold) Command
- RC (Ambient Power - Single Channel) Command
- RE (Restore Defaults) Command
- RM (Ambient Power - All Channels) Command
- RN (Delay Slots) Command
- RO (Packetization Timeout) Command
- RP (RSSI PWM Timer) Command
- RR (Retries) Command
- RT (GPI1 Configuration) Command
- SB (Stop Bits) Command
- SH (Serial Number High) Command
- SL (Serial Number Low) Command
- SM (Sleep Mode) Command
- ST (Time before Sleep) Command
- TP (Board Temperature) Command
- TR (Transmit Error Count) Command
- TT (Streaming Limit) Command
- TX (Transmit Only) Command
- VL (Firmware Version - Verbose)
- VR (Firmware Version - Short) Command
- WA (Active Warning Numbers) Command
- WN (Warning Data) Command
- WR (Write) Command
- WS (Sticky Warning Numbers) Command
- API Operation
- 4. RF Communication Modes
- Appendix A: Agency Certifications
- Appendix B: Development Guide
- Appendix C: Additional Information
XTend™RFModule‐ProductManual
©2013DigiInternatonal,Inc. 5
XTend RF Modules are optimized for use in the US, Canada, and Australia
(contact Digi for complete list of agency approvals).
Specifications
Tabl e1‐01. XTendRFModule
XTend 900 MHz RF Module Specifications
Performance @9600 bps Throughput Data Rate @115200 bps Throughput Data Rate
Transmit Power Output
(software selectable using PL command)
1mW - 1 Watt 1mW - 1 Watt
Indoor/Urban Range Up to 3000’ (900 m) Up to 1500’ (450 m)
Outdoor
RF line-of-sight Range
Up to 14 miles (22 km) w/ dipole antenna
Up to 40 miles (64 km) w/ high-gain antenna
Up to 7 miles (11 km) w/ dipole antenna
Up to 20 miles (32 km) w/ high-gain antenna
Interface Data Rate
(software selectable using BD command)
1200 – 230400 bps 1200 – 230400 bps
Throughput Data Rate
(software selectable using BR command)
9,600 bps 115,200 bps
RF Data Rate 10,000 bps 125,000 bps
Receiver Sensitivity -110 dBm -100 dBm
Power Requirements
Receive Current 80 mA
Shutdown Mode Power Down 5 µA typical
Pin Sleep Power Down 162 µA
Idle Currents
16 sec cyclic sleep (SM=8) 0.3 - 0.8 mA
8 sec cyclic sleep (SM=7) 0.4 - 1.4 mA
4 sec cyclic sleep (SM=6) 0.6 - 2.6 mA
2 sec cyclic sleep (SM=5) 0.9 - 4.8 mA
1 sec cyclic sleep (SM=4) 1.6 - 8.7 mA
Networking & Security
Frequency 902-928 MHz, 915-928 MHz International variant
Spread Spectrum FHSS (Frequency Hopping Spread Spectrum)
Modulation FSK (Frequency Shift Keying)
Supported Network Topologies Peer-to-Peer (“Master/Slave” relationship not required), Point-to-Point, Point-to-Multipoint, Mesh
Channel Capacity 10 hop sequences share 50 frequencies
Encryption 256-bit or 128-bit AES Encryption – Refer to the KY Command [p29] to implement
Physical Properties
RF Module Board Size 1.44” x 2.38” x 0.20” (3.65 cm x 6.05 cm x 0.51 cm)
Weight 0.64 oz. (18 g)
Connector 20-pin
Operating Temperature -40 to 85º C (industrial)
Antenna
Connector Options RPSMA (Reverse-polarity SMA) or MMCX
Impedance 50 ohms unbalanced
Certifications (partial list)
FCC Part 15.247 MCQ-9XTENDB
Industry Canada (IC) 1846A-9XTENDB