Doodle Labs NM 915 2G User Manual
NM-915-2G
900 MHz, Rugged, Long Range 1 Stream Broadband Radio Transceiver
Features
• 30 dBm of RF power to push downstream data at higher modulation rates
• Integrated LNA for best-in-class Rx sensitivity
• High Q band pass filters provide interference immunity from strong Pager/GSM signals in the
neighboring 900 MHz bands
• Supports 5 MHz channels to maximize spectrum efficiency
• AP and STA modes to implement Point to Point, Infrastructure Point to multi Point, and Ad-
hoc/Mesh networks
• High wireless data security with up to 128 bit AES encryption
• Dynamic Link adaptation to optimize throughput depending on channel conditions
• Modular architecture allows a variety of mounting and heat management possibilities.
• Reliable design for outdoor and vehicular environments. MMCX connectors, Electrical Stress
protection, -40°C to +85°C operating environment.
• Supports spatial multiplexing, cyclic-delay diversity (CDD), low-density parity check (LDPC),
maximal ratio combining (MRC), Space Time Block Code (STBC)
Target Applications
The NM-915-2G, Long range transceiver is ideal for applications that require operation in rugged
environments, medium data throughput with deep penetration through walls and tree/vegetation.
• HD Video streaming from UAV/Drones
TECHNICAL SPECIFICATIONS
Model No.
NM-915-2G (Rugged, Long Range applications, 802.11n,
ath9k driver)
MAC Chipset
Qualcomm Atheros
QCA9590-BR4B with Extended Temperature range
Software Support
Open Source Linux Drivers
ath9k for 11n models
OpenWRT (Wireless Router/Linux OS)
Center Frequency Range
902 MHz ~ 928 MHz
Channel Bandwidth*
5 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
128 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)
5 MHz Channel
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