Doodle Labs RM 2450 2H User Manual

Smart Radio

RM-2450-2H

2.4-GHz, Rugged, Long Range 2 Stream Broadband Radio Transceiver

Features

• Very low size, weight, and power (SWaP) for mobile applications

• 57x68x11 mm, 70 grams (2 stream)

• Available in frequency bands up to 6 GHz

• Configurable channel size from 3~40 MHz

• Dynamic Link adaptation to optimize throughput depending on channel conditions

• Adaptive radio modulations from DSSS up to 64QAM

• High Tx power for long range (adjustable up to 1W)

• Up to 50 Mbps Iperf throughput

• Ethernet interface to allow easy integration into various applications

• Point-to-Point, Point-to-Multipoint, and Adhoc operating modes

• Mobile mesh router (Optional)

• High wireless data security with up to 256-bit AES encryption

• OTA firmware upgrade

• Industrial temperature range (-40C to +85C)

• COTS – Commercial off the Shelf

Target Applications

• Unmanned Aerial Vehicles (Drones)

• Mobile robotics

• Mines and Construction site machines

• Public Safety/Video surveillance

• Private Networks in Oil and gas fields

• Wind Turbine and Solar farms

• Wireless ethernet extensions

TECHNICAL SPECIFICATIONS

Model No.

RM-2450-2H (Rugged, Long Range applications

Chipset

Qualcomm Atheros
QCA4531 with Extended Temperature range

Software Support

OpenWRT (Wireless Router/Linux OS)

Center Frequency Range

2412 MHz ~ 2462 MHz

Channel Bandwidth*

20/40 MHz

Radio Modulation (Auto Adjust)

CCK, BPSK, QPSK, 16 QAM, and 64 QAM

Data Rates Supported

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

802.11n: MCS0-15

802.11n version 2.0 Capabilities

Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Tx/Rx),
Maximal ratio combining (MRC), Cyclic shift diversity
(CSD), Frame aggregation, block ACK, 802.11e
compatible bursting, Spatial multiplexing, cyclic-delay
diversity (CDD), low-density parity check (LDPC), Space
Time Block Code (STBC)

Operating Modes

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

MAC Protocol

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

Wireless Error Correction

FEC, ARQ

Wireless Data Security

256 bit AES, WEP, TKIP and WAPI hardware encryption.
Support for IEEE 802.11d, e, h, i, k, r, v, w and time stamp
standards

FIPS Certification

Loop back mode to facilitate FIPS AES certification, Small
packet size (96 bytes) in AES encryption at full packet
rate

Tx/Rx
Specification

Radio

Modulation

Coding Rate

Tx Power

(±2dBm)**

Rx Sensitivity

(Typ)

20 MHz Channel

802.11n

BPSK

1/2

30

-93

802.11n

16 QAM

3/4

30

-80

802.11n

64 QAM

3/4

27

-72

* 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.

Antenna Signal Strength

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

Receiver LNA Gain

>10 dB

Receive chain Noise Figure

6 dB

RF Power control by Driver

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

Control for External Power Amp

Available as an optional configuration

Receiver Adjacent Channel Rejection
(ACR)

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

Receiver Alternate Channel Rejection
(ALCR)

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

Transmitter Adjacent Channel Leakage
power Ratio (ACLR)

45 dB (Fc ± ChBW)

Transmitter Spurious Emission
Suppression

-40 dBc

PHYSICAL, ENVIRONMENTAL AND OTHER SPECIFICATIONS

Antenna Ports

2 Ports (50 Ohms) with MMCX connectors

Integrated Antenna Port Protection

>20 KV (Human Body Model)

Host Interface

100Base-T Ethernet

Host CPU Board

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

Operating Voltage

5~42 V

9.0W in data transfer mode

Power Consumption

Shield case temperature range
(Operating)

Cable Assembly Assembly drawing available upon request.

Dimensions

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

Regulatory Requirements

3.3W in data receive mode

-40°C to +85°C (Rugged, Long range RM-915-1G model)
The System’s thermal design should ensure that the
transceiver’s shield case temperature is maintained within
these specifications.

68 x 57 x 11.5 mm
70 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 System Integrator’s particular host platform
and antenna type. The System Integrator is also
responsible for obtaining all required regulatory approvals
in target markets for the finished product.
Doodle Labs can offer assistance for compliance testing
of the System Integrator’s host platform.

RoHS/WEEE Compliance Yes. 100% Recyclable/Biodegradable packaging
* Specifications are subject to change without prior notice.

Singapore:
Doodle Labs (SG) Pte. Ltd.

150 Kampong Ampat
KA Center, Suite 05-03
Singapore 368324
Tel: [phone]

USA:
Doodle Labs LLC

2 Mattawang Drive
Somerset, NJ 08873
Tel: [phone]
Fax: [phone]

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]