We develop access technologies like 5G NR, LTE, WiMAX, MANET SDR etc. and offer deep expertise in customizing them for specific applications and network topologies. Lekha wireless has a strong Research and Development team, combined with Engineering expertise in software and hardware for delivering complete system. We have worked with ODMs and operators to take our products to manufacturing and deployment.
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Lekha provides data link solutions to private network operators, large defense and aerospace System integrators. We work closely with customers to integrate wireless data links to varieties of applications. Lekha’s experience has always helped customers in creating quick proof of concept and accelerate technology adoption.
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Our data link products are designed to be compliant to industrial and military standard specifications. We also support customization of hardware and software to suit unique customer needs. Lekha has several products and solutions in deployment through customers and partners.
Many of our products have been successfully certified for compliance for standards like FCC, JSS55555, 810G etc. Lekha has sophisticated radio lab and equipment to qualify the developed prototypes. The quality of our SDR products manufactured are addressed with well defined automation test suites that takes care of validation of various radio and functionality aspects.
We are of an ISO 9001:2015 abd AS:9100 certified company.
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COFDM and SC-FDE IP Radio
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5 MHz, 8 MHz and 10 MHz BW
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2 Mbps to 12 Mbps Data Rate
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< 500 grams (300 grams in Open moduleform)
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Security: AES and FH Support
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Available in UHF/ L/ S/ C Bands with upto 33dBm Tx power
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Vehicle mount, battery operated, openframe and ruggedized packaging options
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SWARM Mesh Radio with COFDM and SC-FDE Waveforms
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Multi-channel Design with low complexity Remote Radio
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2 Mbps minimum data rate per user with scalable aggregation to 100 Mbps
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Scalable design to support 100 Nodes
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AES and FH Support
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Self Healing with Decentralized Operation
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Multiple Freq Band Support
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Long Range (100 Km to 150 Km) UAV Link
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Antenna Positioner Integrated Solution
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4 Mbps Video data rate and <100 Kbps Control Link
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AES and FH Support
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C band Support with customization for Multiple Freq Band Support
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Audio, Messaging and Situational Awareness Applications
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Ground to Ground LOS Range Support of > 2 Km
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Air to Ground support of >10 Km range
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Mesh Topology with Relay Mode for NLOS
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AES and FH Security Support
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V/UHF band and Other Freq Band customization feasible
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Integrated with Tab for Navigation and User Applications
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Roadmap towards onboard display with high data rate Video, Wi-Fi and Bluetooth
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Video, Audio, Messaging and Situational Awareness Support
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Air to Ground LOS Range (for Messaging, Situational Awareness, Navigation) Support of > 100 Km
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Mesh Topology with Relay Mode for NLOS
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AES and FH Support
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V/UHF and HF band and Other Freq Band customization
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Integrated with Headset, Handset, Tab for Navigation and User Applications
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Roadmap for ATR compliant chassis, standard model and L-Band support
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SDR and IFF Functionality for AFVs and ICVs
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Ground to Ground LOS Range Support of > 10 Km
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Mesh Topology with Relay Hops for NLOS
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Messaging and Situational Awareness
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AES and FH Support
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V/UHF and HF band and Other Freq Band customization
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Integrated with Headset, Handset, Tab for Navigation and User Applications
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Video, Audio, Messaging and Situational Awareness Support
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Ground to Ground LOS Range Support of > 10 Km
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Mesh Topology with Relay Hops for NLOS
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AES and FH Support
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V/UHF and HF band and Other Freq Band customization
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Integrated with Headset, Handset, Tab for Navigation and User Applications
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2 Way Ground Data Link System
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CDMA Technology
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High Sensitivity and Antijamming Link
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High sensitivity CDMA Control and Command link
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Ship-borne (launched from Naval ship towards a hostile aerial target)
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4 channel Data link transmitter
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Loop back receiver
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Ship based control unit for the Data link
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Redundant data link, Power amplifier, power systems, Mission computer and WCS Integration
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CDMA Transmit and receive integrated for local loopback function
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High sensitivity 6 Channel Control link
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DSSS CDMA Technology
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6 Independent Radio paths in L-Band
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Miniature design and fully integrated
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TWDL IAM (Missile data link transceiver module) is a part of Integrated Avionics module
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The NASM-SR data link is a 2- way secured communication link from helicopter to missile & vice-versa.
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The uplink will be used from helicopter to missile for providing target updates & guidance commands to missile.
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The downlink will be used from missile to helicopter to provide real time target images, which are displayed in helicopter cockpit. The DL system provides man-in-loop operation for identifying potential target & for precision missile attack.
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High sensitivity TDD CDMA Links
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Command up link for a range of 100 Kms
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Telemetry Down link for a range of 100 Kms
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Altitudes from 25 meters to 7Kms.
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Automatic identification systems (AIS) – Military Standard ITU-R
M.1371-5 Compliant Radios for Naval Vessel Connectivity -
ADS-B (Automatic Dependent Surveillance–Broadcast) Receivers
installed for Commercial and Military Aircraft Navigation
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Tactical High Data Rate
(100 Mbps Bi-directional) Secure Backhaul
Wireless Link -
PTP, PTMP and Mesh topologies
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AES and FH based ECCM Security
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15 Km to 20 Km LOS Range
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Wireless Backhaul Links for AdHoc Networks with SDRs, 4G and 5G
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Hubless Satcom Mesh Terminals
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MF TDMA Protocols
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Data Rates of 1.2 Kbps to 10 Mbps
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L band IF based Products – Integrationwith existing Satcom Infra (Up/Down converters, Antenna)
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Waveforms and HW platforms baseline
available
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Frequency Scan: 100 MHz to 6 GHz
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4 Channels for Multi-Antenna Port
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Scan Speed:
For RBW of 3 KHz, 30 GHz/Sec
6 GHz sweep takes 200 msec -
Auto and Configurable Scan band, Scan period and RBW
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Continuous update of specific pattern detect signatures to enhance the detect turnaround time
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Platform upgrade in progress (Current platform is band limited so SW development is being done on this platform)