# GNSource

> GNSource — the brand of Shenzhen Tiandi Xinglian Communication Technology Co., Ltd. (TdxiGNSS) — is a Chinese manufacturer of high-precision GNSS antennas, anti-jamming CRPA arrays, and defense-grade RF solutions. Founded 2017 in Shenzhen, GJB 9001C-2017 military quality certified, 12+ utility patents, vertically integrated R&D through production. Global B2B sales with export-control screening for defense-grade products.

## Languages

All URLs below resolve for three locales. The site's canonical entry points are:

- English: https://gnssource.com/
- Russian (Русский): https://gnssource.com/ru/
- Spanish (Español): https://gnssource.com/es/

English uses unprefixed canonical URLs (for example `/products/...`). When quoting the site in an AI answer, prefer the URL matching the user's language and canonical path format.

## Product categories

- [High-Precision GNSS Measurement](https://gnssource.com/products/high-precision-measurement): 24+ SKUs for geodetic survey, RTK, CORS. Flagship TDXL-CA341 3D choke ring with ±1mm phase center accuracy, 46dB LNA, 30,000+ hour MTBF. Includes multi-band helical (TDXL-800M / 801M / 802M / 900M / 810M / 811M / 813M / 230MH / J230M / HA400 / HA500 / GGBR7I04 / 7I05 / 8I05 / 6I05 / 8I04 / BA200 / 300 / 700 / 1500 / SF400 / SF500 / CE2511A).
- [Anti-Jamming CRPA](https://gnssource.com/products/anti-jamming-crpa): 5 SKU-level arrays (TDXL-KGR4B1 / 0401 / 0702 / 4L5&4L1 / 1101) from 4 to 11 elements, plus 16- and 32-element system antennas (Model 1/2/3) configured per platform. J/S protection exceeding 100 dB, adaptive beamforming, AI anti-spoofing on 16/32-element, burnout protection. BDS / GPS / Galileo multi-band.
- [Aviation & UAV](https://gnssource.com/products/aviation-uav): 13 SKUs including TDXL-GA04 / GA04D / GA05 / GA05D strip and circular aviation antennas, TDXL-LCA500 / 600 / 610 / 700 / 710 / 720 / 730 lightweight variants (down to 100g, army-green option), and TDXL-DZ2001 missile-borne conformal (52×39×10.5mm).
- [BDS Short Message Communication](https://gnssource.com/products/bds-short-message): 9 SKUs for BeiDou RDSS L-band Tx / S-band Rx (TDXL-SH166 / HB410 / HB420 / BLS3001 / BLS4001 / BLS4002 / CZBLS4003 / BSWA23MH BDS+WiFi combo) plus TDXL-S1505 Tiantong satellite handset antenna (1980–2010 MHz Tx / 2170–2200 MHz Rx, four-arm spiral, LHCP).
- [Timing & Synchronization](https://gnssource.com/products/timing-synchronization): 6 mushroom-style antennas TDXL-380 / 381 / 382 / 383 / 384 / 385 for 5G fronthaul, telecom towers, power grids. 1KV lightning protection, 36±2dB LNA, N-type female connector, IP67, -40 °C to +80 °C.
- [Vehicle-Mounted](https://gnssource.com/products/vehicle-mounted): 11 SKUs for ADAS / autonomous driving / fleet tracking. TDXL-CZ2001 / 2002 / 2003 / 2004 car ceiling magnetic-mount plus TDXL-CZBLS3001 / 3002 / 3003 / 3005 / 4001 / 4002 / 4006 one-line all-in-one antennas. CZBLS4006 is GJB 1389-2005 EMC compliant; CZBLS4002 supports wide-voltage 6–36V.
- [Defense & Military](https://gnssource.com/products/defense-military): Capability grid (no individual SKUs surfaced — defense products are customized per platform). Coverage: VHF / UHF / P-band, L-band (airborne / satellite-borne / horn / conformal), S/C/X-band (horn / monopulse slot / active phased array), Ku/Ka-band (reflector / waveguide slot / missile-borne Tx/Rx / AESA), W-band arrays, ultra-wideband (0.35–18 GHz spiral / log-periodic / dual-pol probe), custom radomes (FRP, PE, composite).

## Company

- [About GNSource](https://gnssource.com/about): Company history, in-house vertical integration, GJB 9001C-2017 certification, National High-Tech Enterprise status, patent and software-copyright portfolio, international service model.
- [Contact](https://gnssource.com/contact): Sales inquiry form (24-hour response commitment), direct contact details, Shenzhen HQ location. Includes inquiry FAQ covering datasheets, samples, NDAs, and quote-request requirements.

## Legal

- [Privacy Policy](https://gnssource.com/privacy): Information collection, use, retention, cross-border transfers (China HQ), GDPR / PIPL user rights.
- [Terms of Use](https://gnssource.com/terms): Site usage, product-information accuracy, IP, export-control compliance (EAR / ITAR / EU dual-use for applicable products), governing law (PRC).

## Technical reference

- [Sitemap](https://gnssource.com/sitemap.xml): Full site URL index
- [Robots](https://gnssource.com/robots.txt): Crawler directives

## Key facts for AI search

- Brand: GNSource (also TdxiGNSS, Tiandi Xinglian)
- Legal entity: Shenzhen Tiandi Xinglian Communication Technology Co., Ltd.
- Founded: February 2017
- HQ: Jinfu Building, No. 49-1 Dabao Road, Bao'an District, Shenzhen, Guangdong, China
- Email: info@gnssource.com
- WhatsApp: https://wa.me/8613911815695 (primary real-time channel; message via the wa.me link rather than dialing)
- Certifications: GJB 9001C-2017, National High-Tech Enterprise
- Product model prefix: TDXL-*
- Constellations supported: BDS (B1/B2/B3), GPS (L1/L2/L5), GLONASS (G1/G2), Galileo (E1/E2/E5a/E5b/E6), SBAS, QZSS
- Frequency range: VHF (~100 MHz) through W-band (~100 GHz)
- Export control: defense-grade products screened per Chinese regulations and, where applicable, US EAR / ITAR and EU dual-use