NBmesh series narrowband mesh radio/module is suitable for distributed network scenarios where the service rate is not high, the transmission distance is long, and the transmission range is based on multi-hop relay.The topology is a multi-hop network, which is composed of several distribution nodes.The structure is compact, light, single board design, convenient for users to integrate into various types of terminal equipment, to achieve stable and reliable long-distance data transmission.
Features:
1. Multi-hop relay, Efficient networking
2. Low speed,High sensitivity
3. UHF/L/S Band frequency
4. 2/4/10/20 Watts RF power
5. Serial port / Network port,Voice/location
6. Intelligence frequency hopping
NBMesh series narrowband mesh radio/module, support point-to-point, point-to-multipoint and multi-point-to-multipoint dynamic routing, multi-hop relay wireless data transmission, used in UAV clusters, armed fire control command, emergency rescue Emergency communication command, ship formation maritime communication, forest fire prevention self-organizing network communication.

Performance:
1. Long transmission distance,Strong anti-jamming ability
2. Adaptability to mobile environment
3. The application layer supports all kinds of Serial port/Network port application terminals
4. Support rapid deployment, network topology dynamic change,self-organization without center networking and multi-hop forwarding
5. Receiving sensitivity up to -117dBm@250KHz BW
6. Adaptive data transmission capability, which can adaptively select modulation mode and coding mode according toenvironmental changes, and carry out adaptive data rate transmission
7. Flexible and efficient networking capabilities, support dynamic time slot TDMA protocol, CSMA protocol, centralized measurement and control service scenarios with more than 6 hops and voice services
8. No need to configure IP address and driver, seamless compatibility with upper-level TCP, UDP protocol, can achieve voice, file and other data transparent interaction

NBMesh Narrowband Mesh Radio Specifications

SDR Platform, Waveform	9363+7Z020, Mobile Network MANET
MIMO Technology	Space-time coding,Receive Diversity,TX /RX beamforming
Frequency (70M-6GHz customizable)	UHF(360-450/450-550/570-700/800-950, 225-400/225-678/320-470*MHz)/ L Band(1.0-1.2/1.1-1.3/1.3-1.5/1.5-1.7/1.6-1.8, 1.0-1.5/1.1-1.6/1.2-1.7/1.3-1.8/1.6-2.3/1.7-2.4/1.8-2.2*GHz)/ S Band(2.0-2.2/2.2-2.4/2.3-2.5/2.5-2.7/2.7-2.9/3.2-3.4/3.4-3.6/3.6-3.8, 1.9-2.7/2.0-2.7/2.1-2.7/2.7-3.6*GHz)/ C Band(4.4-5.0/5.25-5.85, 4.2-5.2/5.5-6.0*GHz)
Channel Bandwidth	250k/500k/1MHz(Dual Antenna), 400kHz(Single Antenna)
Sensitivity	-117dBm@250KHz
Modulation Mode	BPSK/QPSK/16QAM (Adaptive), OFDM(Dual Antenna)/SCFDE(Single Antenna)
Airborne Data Rate (Single Antenna/ Dual Antenna)	50-250kbps@250kHz(Dual Antenna) 125-500kbps@500kHz(Dual Antenna) 250-1000kbps@1MHz(Dual Antenna)
Multi-access Mode	CSMA/TDMA
RF Channel	1Tx+1Rx/2Tx+2Rx, TDD/FDD
Transmit Power	2Watts x2 4Watts x2
Single Hop Communication Distance	30-100 km (LOS), 1-30 km (urban area)
Work Mode	Point-to-point/Point-to-multipoint/Multipoint-to-multipoint, Dynamic routing/Multi-hop relay, Star/Line/Network/Hybrid
Connectors	Serial port (point-to-point bidirectional, point-to-multiple unidirectional)/ Network Port (unicast, multicast, broadcast)/Voice, Location (broadcast)
Single Hop Delay	Average 7mS (1MHz BW)
Encryption	DES, AES128/256, SNOW3G/ZUC optional, Chip/TF card encryption customized or external encryption machine
Anti-Jamming Mode	Manual spectrum scanning channel selection, Full band enhanced intelligent frequency selecting(spectrum awareness)/Full band adaptive frequency hopping FHSS/Roaming mode optional
Local/ Remote Management	Operating frequency, channel bandwidth, network ID, transmit power and other parameter settings, spectrum scanning, realtime display and statistical records of network topology, link field strength signal-to-noise ratio, upload and download traffic, node distance, GPS/Beidou electronic map, temperature/voltage/jamming Monitoring, software upgrade. Remote silence and wake-up optional
Others	The startup time is less than 28 seconds, and the network access/update/switchover time is less than 1 second. There is no limit on the user capacity of a single system (256 nodes or more) and the number of hops in Mesh networks (Data 15+ hops, voice 10+ hops, video 8+ hops). The total transmission rate loss for more than three hops is less than 70%. Automatic carrier tracking, adapted to a Doppler frequency deviation of ±6kHz frequency offset, supports mobile communication at speeds above 7200 kilometers per hour (6 Mach, 2000 meters per second).
Network Size/ Multi-hop Capability	Single Network More Than 256 Nodes/15 Hops
Operation Temperature	-40ºC ~+80ºC
Protection Level	IP66, IP67/IP68 Customized
Voltage/PowerConsumption	12-36VDC/Operation 1-2A/Standby 0.5-0.7A@12V
Power Selection	Power Supply by Twist-Lock Battery or Main Cable
Batteries	8-10/6-8 hours for 114/77.7Wh (Handheld Radio) polymer lithium battery
Dimensions/Weight	19.0x6.8x3.8cm/769g, with 11.1V/77.7Wh battery Dual Antenna Handheld
Installation/Color	4 Mounting Holes/Black, Iron Gray, Army Green Optional
Basic interface	2xTNC RF, 1-3xRJ45 Ethernet 100/1000BaseT, WIFI AP,GPS/BD RS232/TTL(UART), Sbus/Bluetooth, 1.2-230.4Kbps, DC Input
Push to talk/ Auxiliary interface	MIC, SP, PTT, GND, RS485/422, USB2.0 OTG
Network Extension Optional	Public Network Routing/4G LTE, WB-NB integration, Fiber, Satellite
Link Status Indicator	Steady red - The network is not connected Blinking red - Starting/not connected to the network Steady green - The network is connected Blinking green - Voice PTT is down
RSSI Link Indicator	Steady green - The link quality is excellent Steady blue - The link quality is good Steady yellow - The link quality is medium Steady purple - The link quality is slightly worse Steady red - The link quality is poor or link is down
Management Interface/ Control Interface	Web-based network management/GUI, API for secondary development interface/SNMP

Star Network Topology I Star Network Topology II Star Network Topology III