Stand-alone multiradio modules with Wi-Fi and Bluetooth
Data sheet
Abstract
This technical data sheet describes the ODIN-W2 series short range multiradio modules with Wi-Fi
and Bluetooth® dual-mode (Bluetooth BR/EDR and Bluetooth Low Energy v4.2). ODINcompact and powerful stand-alone multiradio module, designed for Internet-ofapplications. The Wi-Fi support conforms to IEEE 802.11a/b/g/ and has support for dual-band Wi-Fi
(2.4 GHz and 5 GHz bands), 2x2 MIMO.
1.3 Product features ......................................................................................................................................... 7
1.6 AT command support ................................................................................................................................ 9
1.7 IEEE 802.11d and additional regulatory domains ................................................................................ 9
1.8 MAC addresses ......................................................................................................................................... 11
2.1 Power management ................................................................................................................................. 12
5.1 Absolute maximum ratings .................................................................................................................... 21
5.1.1 Maximum ESD ................................................................................................................................... 21
5.2.1 Temperature range .......................................................................................................................... 21
5.2.2 Power supply ...................................................................................................................................... 21
5.2.3 I/O DC characteristics ...................................................................................................................... 22
5.2.6 Universal asynchronous serial interface (UART) ....................................................................... 23
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5.3 Power consumption .................................................................................................................................. 23
5.3.1 General power consumption ........................................................................................................... 23
5.3.2 Wi-Fi 2.4 GHz power consumption ................................................................................................ 24
5.3.3 Wi-Fi 5 GHz power consumption ................................................................................................... 24
5.3.4 Classic Bluetooth power consumption ......................................................................................... 24
5.3.5 Bluetooth Low Energy (LE) power consumption ........................................................................ 25
7.4 FCC and IC Compliance ............................................................................................................................ 31
7.4.1 IC compliance ..................................................................................................................................... 31
7.4.2 Conformité aux orms d’IC................................................................................................................ 32
7.7.2 ODIN-W260 labeling requirements for end product ................................................................. 35
7.7.3 ODIN-W262 labeling requirements for end product ................................................................. 36
7.8 Korean KCC certification ......................................................................................................................... 36
7.9 Brazil compliance ...................................................................................................................................... 36
7.10 Australia and New Zealand regulatory compliance ........................................................................... 37
7.11 South Africa regulatory compliance ..................................................................................................... 37
7.12 Bluetooth qualification information ...................................................................................................... 38
10 Labeling and ordering information ............................................................................................. 46
10.1 Label information ...................................................................................................................................... 46
10.2 Explanation of codes ................................................................................................................................ 47
10.3 Ordering information ................................................................................................................................ 47
A Glossary .............................................................................................................................................. 48
Related documents ................................................................................................................................ 50
Revision history ....................................................................................................................................... 51
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1 Functional description
1.1 Overview
The ODIN-W2 is a compact and powerful stand-alone multiradio module, designed for
Internet-of-Things gateway applications. The module includes an embedded Bluetooth stack, Wi-Fi
driver, IP stack, and an application for wireless data transfer, all configurable using AT commands.
The wireless support includes dual-mode Bluetooth v4.2 (BR/EDR and low energy) and dual-band
Wi-Fi (2.4 and 5 GHz bands).
The module supports point-to-point and point-to-multipoint configurations and can have concurrent
Bluetooth and Wi-Fi connections. It can operate in Wireless Multidrop™ or Extended Data Mode for
advanced multipoint capabilities. Operation in Point-to-Point Protocol (PPP) mode gives the host a
UART-based IP interface for advanced use cases. The software provides support for RMII with a
micro Access Point.
The module is professional grade with an extended temperature range and is radio type approved for
multiple countries, which reduces the integration work and cost.
1.2 Applications
• Internet of Things (IoT)
• Wi-Fi and Bluetooth networks
• Medical and industrial networking
• Access to laptops, mobile phones, and similar consumer devices
• Home/building automation
• Ethernet/Wireless Gateway
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1.3 Product features
Table 1: Key features of ODIN-W2 series
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1.4 Block diagram
The block diagram of the ODIN-W2 series is shown below:
Figure 1: Block diagram of ODIN-W2 series
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1.5 Product description
The ODIN-W2 series module supports Wi-Fi, Bluetooth BR/EDR, and Bluetooth Low Energy (dualmode / Bluetooth Smart Ready). The Wi-Fi support conforms to IEEE 802.11a/b/g/n, and has support
for dual-band 2.4 GHz and 5 GHz operations and 2×2 MIMO (2.4 GHz).
Wi-Fi Classic Bluetooth Bluetooth Low Energy
IEEE 802.11°/b/g/n
IEEE 802.11d/e/i/h/w
ODIN-W260: 2X2 MIMO
Table 2: ODIN-W2 series Wi-Fi and Bluetooth characteristics
**
RF power including maximum antenna gain (3 dBi).
DFS client only.
***
(2.4 GHz only)
*
Classic Bluetooth v2.1+EDR
Maximum number of Peripherals: 7
Bluetooth profiles: SPP, DUN, GATT and
PAN
Band support
2.4 GHz, 79 channels
Maximum conducted output power
11 dBm
Maximum radiated output power
14 dBm EIRP**
Conducted sensitivity
-90 dBm
Data rates:
1 / 2 / 3 Mbit/s
Bluetooth LE 4.2 dual-mode
Band support
2.4 GHz, 40 channels
Maximum conducted output power
7 dBm
Maximum radiated output power
10 dBm EIRP**
Conducted sensitivity
-95 dBm
Data rates:
1 Mbit/s
1.6 AT command support
You can configure ODIN-W2 with the u-blox s-center toolbox software using AT commands. See
u-connectXpress AT commands manual [1] for information about supported AT commands.
The s-center evaluation software supporting the AT commands is also available free of charge and
can be downloaded from the u-blox website.
1.7 IEEE 802.11d and additional regulatory domains
The ODIN-W2 series modules support IEEE 802.11d. IEEE 802.11d is an amendment to the IEEE
802.11 specification that adds support for “additional regulatory domains”. IEEE 802.11d allows
ODIN-W2 based devices to self-configure and operate according to the regulations of the country in
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Scan complete
Scan complete
No or both FCC and
ETSI AP found
Entry start scan
Do
which they operate. Its parameters include country name, channel quantity and maximum
transmission level. The country information feature simplifies the creation of 802.11 wireless access
points and client devices that meet the different regulations enforced in various parts of the world.
When ODIN-W2 is used as a Wi-Fi station, the scan is used to detect which regulatory domain it is
currently in. Passive scan is used for channels that are not available in all regulatory domains. The
device supports the following three domains, where WORLD means all channels that are supported
both by FCC, ETSI and most other countries in the world:
• WORLD
• FCC
• ETSI
⚠ ODIN-W263 is configured to always support the ETSI domain and is only allowed to be used
in countries allowing ETSI domain channels (see Table 3).
See Table 3 for detailed information on channels that are supported in the different regulatory
domains. The state transition diagram below (Figure 2) describes the algorithm for selecting the
current regulatory domain.
start scan every hour
Scan complete
Three or more ETSI AP found and
no FCC AP found
ETSI
FCC found
WORLD
WORLD-FINAL
Scan complete
FCC AP found and no ETSI AP
FCC
Scan complete
ETSI found
Figure 2: ODIN-W2 series IEEE 802.11d state transition diagram
Initial regulatory domain is WORLD. At start up a scan is initiated to detect beacons containing
country information.
If at least one scan result contains country information indicating FCC and no country information
indicates ETSI, then the regulatory domain is set to FCC.
If at least three scan results contain country information indicating ETSI and no country information
indicates FCC, then the regulatory domain is set to ETSI.
If the scan result contains country information indicating both FCC and country information
indicating ETSI, then the regulatory domain is set to WORLD. In the state transition diagram this is
the state WORLD_FINAL. This state will not be exited until the device is reset.
A new scan is performed every hour to update the regulatory domain.
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If the current regulatory domain is ETSI and at least one scan result contains country information
indicating FCC and then the regulatory domain is set to WORLD. In the state transition diagram this
is the state WORLD-FINAL. This state is will not be exited until the device is reset.
If the current regulatory domain is FCC and at least one scan result contains country information
indicating ETSI and then the regulatory domain is set to WORLD. In the state transition diagram this
is the state WORLD-FINAL. This state is will not be exited until the device is reset.
At restart of the device the algorithm is restarted. It is not possible to override the algorithm
described by reconfiguration the device.
Table 3: Channel list for supported regulatory domains
The maximum output power is reduced on some channels depending on regulatory requirements.
For example, frequency band edge requirements can limit the output power on channels close to
band edges.
1.8 MAC addresses
ODIN-W2 module series has four unique consecutive MAC addresses reserved for each module, from
which the three first addresses are stored in the configuration memory during production. The first
Bluetooth MAC address is available in the Data Matrix on the label (see section 10.2). The last MAC
address is not stored in the configuration memory but is reserved for usage with the module.
MAC address Assignment
Address 1 Bluetooth
Address 2 Wi-Fi
Address 3 RMII/Ethernet
Address 4 Reserved
Table 4: Example MAC address assignment for an ODIN-W2 module
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Example
D4:CA:6E:90:04:90
D4:CA:6E:90:04:91
D4:CA:6E:90:04:92
D4:CA:6E:90:04:93
ODIN-W2 series - Data sheet
2 Interfaces
☞ ODIN-W2 is a surface mounted device (SMD). As the ports supported in the module are not
tested against fast transients, RF common mode, transients and surge, the module must not
be connected with cables longer than 3 m.
2.1 Power management
☞ To fulfill EN 60950-1 safety standards, the unit must be supplied by a limited power source.
2.1.1 Module supply input (VCC)
ODIN-W2 series modules must be supplied through the VCC pin by a DC power supply. Voltage must
be stable, because during operation the current drawn from VCC can vary significantly based on the
power consumption profile of the Bluetooth/Wi-Fi technologies.
2.1.2 Digital I/O interfaces supply output (V_INT)
The ODIN-W2 series modules provide a 1.8 V supply rail output on the V_INT pin, which is internally
generated when the module is powered on. The same voltage domain is used internally to supply the
generic digital interfaces of the modules. The V_INT supply output can be used instead of an external
discrete regulator. See the Electrical specification section for maximum output current.
2.2 Antenna interfaces
The following two different antenna options are available in the ODIN-W2 series:
• ODIN-W260 is equipped with dual U.FL. coaxial connectors for external antennas. Different types
of external antennas are available and can be used.
• ODIN-W262 and ODIN-W263 is equipped with an integrated dual-band antenna
☞ While mounting the unit, ensure that it does not interfere with radio communication. The
ODIN-W262 and ODIN-W263 equipped with an internal surface mounted antenna should not be
mounted in a metal enclosure. No metal casing or plastics using metal flakes should be used.
Avoid metallic based paint or lacquer.
See the Antennas section for information on the external antennas that can be used and for other
RF and antenna design advices. For more info about antenna integration, see ODIN-W2 series
system integration manual [1].
2.2.1 Antenna connectors and internal antenna
ODIN-W260 has two RF antenna U.FL. coaxial connectors with a characteristic impedance of 50 Ω.
The main antenna connector supports both Bluetooth and dual-band Wi-Fi. The second (MIMO)
antenna connector adds support for 2x2 MIMO 2.4 GHz single band Wi-Fi.
ODIN-W262 has an internal dual-band PIFA antenna and supports Bluetooth and dual-band Wi-Fi
(SISO).
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Figure 3: ODIN-W260 with connectors for external antennas and ODIN-W262 with an internal antenna
2.3 Data communication interfaces
The ODIN-W2 series provides several data communication interfaces which are described below.
2.3.1 UART interface
ODIN-W2 series modules include a 6-wire UART for communication with an application host
processor (AT commands, data communication and software upgrades).
The following UART signals are available:
• Data lines (RXD as input, TXD as output)
• Hardware flow control lines (CTS as input, RTS as output)
• Link status (DTR as output, DSR as input)
CMOS compatible signal levels are recommended. For more information about the UART interface,
see the u-connectXpress AT commands manual [1] and ODIN-W2 series system integration
manual [2].
2.3.2 Ethernet interface
ODIN-W2 series modules include an integrated Ethernet MAC to communicate with other networked
nodes over a shared medium. It supports 10/100 Mbit/s communication and can operate in both fulland half-duplex (CSMA/CD).
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The Ethernet interface includes:
• RMII either for MAC to PHY or Ethernet MAC to MAC communication.
• SMI for PHY configuration
☞ The IO voltage of the ODIN-W2 is 1.8 V, which means that the RMII interface operates outside
the RMII specification v1.2. If the RMII is to be connected to a PHY circuit, then that circuit must
support 1.8 V operation. If a direct RMII to RMII connection is used, then a level shifter might be
needed depending on the selected host. The selected hardware setup must be verified on the
application board to guarantee operation.
2.3.2.1 RMII
The RMII uses seven signals in total. The interface requires an external 50 MHz clock source either
from a compatible PHY chip or an external oscillator. ODIN-W2 cannot provide this clock signal by
itself.
2.3.2.2 SMI (MDC/MDIO management interface)
The two-wire SMI is used to configure the PHY chips. The interface uses a clock line and a data line
to clock data to and from the PHY chips registers.
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3 System functions
3.1 Module power modes
The ODIN-W2 series module does not have an internal low power oscillator (LPO) which is required
for low power modes. An external 32.768 kHz LPO signal can be supplied externally via the LPO_CLK
pin if low power modes are required.
3.2 Module reset
The ODIN-W2 series modules can be reset (rebooted) in one of the following ways:
• Low level on the RESET_N pin, which is normally set high by an internal pull-up. This causes a
“hardware reset” of the module. The RESET_N line should be driven by an open drain, open
collector or contact switch.
• Using a reset AT command causes a “software reset” of the module, See also u-connectXpress
AT commands manual [1]).
3.3 IO signals
3.3.1 System status IO signals
The RED, GREEN and BLUE pins are used to signal the status. They are active low and are intended
to be routed to an RGB LED. For more information about connectivity software signal loss, see the
u-connectXpress AT commands manual [1].
ModeStatusRGB LED colorGREENBLUERED
Data mode IDLE Green LOW HIGH HIGH
Command mode IDLE Orange LOW HIGH LOW
Data mode, Command mode
Data mode, Command mode
* = LED flashes on data activity
Table 5: System status indication
CONNECTING
CONNECTED
*
*
3.3.2 System control IO signals
The following input signals are used to control the system:
• RESET_N is used to reset the system. See section 3.2 for detailed information.
• If SWITCH_1 is driven low during start up, the UART serial settings are restored to their default
values.
• SWITCH_0 can be used to open a connection to a peripheral device.
• If both SWITCH_0 and SWITCH_1 are driven low during start up, the system will enter the
bootloader mode.
• If both SWITCH_0 and SWITCH_1 are driven low during start up and held low for 10 seconds, the
system will exit the bootloader mode and restore all settings to their factory defaults.
Purple HIGH LOW LOW
Blue HIGH LOW HIGH
For more information about connectivity software signal Ioss, see the u-connectXpress AT
Commands Manual [1])
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3.3.3 UART IO signals
In addition to the normal RXD, TXD, CTS, and RTS signals, the ODIN-W260/ODIN-W262 software
adds the DSR and DTR pins to the UART interface. Note that the DSR and DTR pins are not used as
originally intended, but to control the state of the module. Depending on the current configuration,
the DSR pin can be used to:
• Enter command mode
• Disconnect and/or toggle connectable status
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