Boston Dynamics NMDB 2 User Manual

NM-DB-2

Rugged/Military grade 2.4GHz 2x2 MIMO Wi-Fi® Radio Transceivers

Features

 Qualcomm-Atheros AR9590-AR1B Chipset with Extended Temperature Range
 Up to 300 Mbps Throughput with 2x2 MIMO Technology
 Calibrated High Power 2.4 GHz (27 dBm)
 Supported Ath9k Linux Driver
 MiniPCIE Interface

TECHNICAL SPECIFICATIONS

Model No. NM-DB-2

Qualcomm Atheros

MAC Chipset

QCA9590-AR1B with Extended Temperature range for Outdoor and
Rugged models)

Software Support

Linux Drivers

ath9k

Center Frequency Range 2.412 GHz ~ 2.462 GHz

This varies by the regulatory domain

Channel Bandwidth* 20, 40 MHz channels

Radio Modulation (Dynamic
Link Adaptation)

CCK, BPSK, QPSK, 16 QAM, and 64 QAM (2.4 GHz – 11n models)

Data Rates Supported 802.11n: MCS0-15 (2.4 GHz)

802.11b/g: 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48 and 54 Mbps (2.4 GHz)

 802.11 dynamic frequency selection as an AP and Client

 802.11n and b/g Beam Forming

 Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Tx/Rx), Maximal

802.11n version 2.0
Capabilities

ratio combining (MRC), Cyclic shift diversity (CSD), Frame
aggregation, block ACK,Spatial
multiplexing, cyclic-delay diversity (CDD), low-density parity check
(LDPC), Space Time Block Code (STBC)

 Phy data rates up to 450 Mbps (40 MHz channel)

Operating Modes

MAC Protocol

Wireless Error Correction FEC, ARQ

Wireless Data Security

FIPS Certification

Tx/Rx
Specification

Radio

Modulation

2.4 GHz (20 MHz Channel)

802.11b, STBC 1 Mbps CCK 27 -100

802.11g, STBC 64 QAM 3/4 22 -80

802.11n, MIMO BPSK 1/2 27 -92

802.11n, MIMO 16 QAM 3/4 25 -82

802.11n, MIMO 64 QAM 5/6 22 -72

2.4 GHz (40 MHz Channel)

802.11n, MIMO BPSK 1/2 27 -90

802.11n, MIMO 16 QAM 3/4 25 -79

802.11n, MIMO 64 QAM 5/6 22 -70

Note 1 It is advantageous to use the smallest Channel Bandwidth that can support the Throughput

requirements. Smaller bandwidths provide more channels to choose and help avoid interference
issues. The system’s SNR is higher at smaller Channel Bandwidths and Range is longer.

Note 2 Max allowed Tx power depends on the regulatory domain

AP, STA and Adhoc modes to implement Point to Point, Point to multi
Point

TDD with Carrier Sense Multiple Access with Collision Avoidance
(CSMA/CA)

128 bit AES, WEP, TKIP and WAPI hardware encryption. Support for

802.11b, g, n and time stamp standards
Loop back mode to facilitate FIPS AES certification, Small packet size

(96 bytes) in AES encryption at full packet rate

Coding Rate

Tx Power
(±2dBm)

2

Rx Sensitivity

(Typ)

Antenna Signal Strength -35 to -85 dBm (Recommended), Absolute Maximum=+12 dBm

Antenna port isolation for
concurrent operation

Integrated Antenna Port
Protection

Up to +5 dBm signal strength for 2.4 GHz signal

>20 KV (Human Body Model)

Receiver LNA Gain >10 dB
Receiver Adjacent Channel

Rejection (ACR)

Receiver Alternate Channel
Rejection (ALCR)

>18 dB @ 11g, 6 Mbps (Typ)

>35 dB @ 11g, 6 Mbps (Typ)

Receive chain Noise Figure +6 dB

Transmitter Adjacent Channel
Leakage power Ratio (ACLR)

Transmitter Spurious
Emission Suppression

RF Power control

RF Hardware Disable (RF
Kill)

Control for External Power
Amp

45 dB (Fc ± ChBW)

-40 dBc

In 0.5 dBm steps. Accuracy of power calibration loop ±2 dBm. Each
transceiver individually calibrated and tested.

Pin 20 of miniPCI-E interface. (Required for FAA compliance)

Available as an optional configuration

Spectral Analysis 8 bit resolution spectral FFTs available for software analysis

PHYSICAL, ENVIRONMENTAL AND OTHER SPECIFICATIONS

Antenna Ports 2 Ports (50 Ohms) with MMCX connectors.

Host Interface miniPCI-Express 1.2 Standard

Host CPU Board

Any CPU board with Industry standard miniPCI-Express interface with
minimum 6 mm connector height

Operating Voltage 3.3 Volts from miniPCI-Express connector

4W @ Max power, in continuous data transfer mode on all chains

2.8W @ 25 dBm power, in continuous data transfer mode on all chains

Power Consumption

2W @ 20 dBm power (ETSI max), in continuous data transfer mode on
all chains

0.7W in continuous data receive mode
230 mW in Sleep mode

Shield case temperature
range (Operating)

-40°C to +80°C
The System’s thermal design should ensure that the transceiver’s case
temperature is maintained within these specifications.

Humidity (Operating) 0% – 95% (Non-condensing)

Dimensions

30 x 50 x 7 mm, 14 grams
Mechanical drawing and 3D-CAD files available upon request

Designed and Verified to meet various regulatory requirements.
Formal testing and approval is required based on the Integrator’s

Regulatory Requirements

particular host platform and antenna type. The Integrator is also
responsible for obtaining all required regulatory approvals in target
markets for the finished product.

FCC ID

2ATBY-NMDB-2

CE/ETSI Q3 2016

Industry Canada (IC) Q3 2016
RoHS/WEEE Compliance Yes. 100% Recyclable/Biodegradable packaging

Singapore: USA:
Doodle Labs (SG) Pte. Ltd. Doodle Labs LLC

150 Kampong Ampat 2 Mattawang Drive
KA Center, Suite 05-03 Somerset, NJ 08873
Singapore 368324 Tel: [phone]
Tel: [phone] Fax: [phone]