GNSS systems
Trimble TDL450B
Built to last and versatile.
The high-speed wireless Trimble® TDL450B UHF data radio broadcasts, repeats and receives data used by Trimble GNSS receivers for real-time correction data. Solve signal strength issues and make adjustments to stay productive, even in the toughest conditions.
![geo-product-tdl450b-pim-image-800x960](http://images.ctfassets.net/1nvkn1423yot/4vo0RQ8A8kIb3kW9aQX701/74f923f22114dbfc19f671b3e39a6ec6/geo-tdl450b-productpage-fullbackgroundproducthero-800x960.png)
Benefits and performance
Easy setup and configuration
Connecting via Bluetooth to GNSS receivers reduces setup complexity and reduces a common failure point in radio systems.
![Trimble TDL450B UHF radio on a tripod](http://images.ctfassets.net/1nvkn1423yot/4scDiDlLw9HLFVsnELFJQU/ba5843d9239b580ba40492c7424dce9a/geo-TDL450B-productpage-2x2topright-benefits-520x320.jpg)
![Trimble TDL450B UHF radio](http://images.ctfassets.net/1nvkn1423yot/30F232m41Bqxcnv6BJTHIJ/b3a3a7b9a95f9d2770da351655664ed3/geo-TDL450B-productpage-2x2bottomleft-benefits-520x320.jpg)
Built to last in harsh conditions
An IP67 rating and military-spec design ensures reliable operation and the ability to work in higher ambient temperatures. Get more work done in all weather.
![Trimble TDL450 UHF radio with the Trimble R750 modular GNSS receiver](https://images.ctfassets.net/1nvkn1423yot/68TNCbNIgBcgogYshLU2vQ/27a90b7dcf707ca1803400cd58fe2a6b/geo-tdl450B-productpage-keyfeatures-720x720.jpg?fm=jpg&fl=progressive&w=50&h=50&q=90)
Frequency range
403-473 MHz
Configurable output power
Up to 35 W
Corrections for GNSS receivers
1 Hz RTK
Features and capabilities
Built for harsh conditions
Full-function user interface
Use with Trimble GNSS receivers
Solve challenges in the field
![surveyor on mountain](https://images.ctfassets.net/1nvkn1423yot/2D3k5GcrLlEyzy9gZG56Cn/ead40a240bade09c62bfa9fbb66a2a9e/geo-tdl450-productpage-industries-2400x730.jpg?fm=jpg&fl=progressive&w=50&h=50&q=90)
Industries and applications
The future of your work.
Trimble facilitates high quality, productive workflows and data exchange, driving value for a global, diverse user base.
Product summary
Trimble TDL450B
UHF radio to transmit and receive GNSS corrections.
Product
Specifications
Frequency range
403–473 MHz
Over-the-air link rate
4,800 to 19,200 bps
Configurable maximum Tx power
Up to 35 W
Corrections for GNSS receivers
1 Hz RTK
Environment
IP67 rated
Vibration
MIL-STD-810F
GNSS systems
Trimble TDL450B
Get in touch for recommendations for the Geospatial hardware, software, and accessories needed to get your job done.
Where to buy![geo-product-tdl450b-pim-image-800x960](http://images.ctfassets.net/1nvkn1423yot/4vo0RQ8A8kIb3kW9aQX701/74f923f22114dbfc19f671b3e39a6ec6/geo-tdl450b-productpage-fullbackgroundproducthero-800x960.png)
Works with...
![Trimble R12i](https://images.ctfassets.net/1nvkn1423yot/2UVSR7JwzVmyugBxVWjBCo/1ad02430188555542e21fd06f5371c1d/geo-r12i-boundedcard-272x181.png?fm=jpg&fl=progressive&w=50&h=50&q=90)
![Trimble R12](https://images.ctfassets.net/1nvkn1423yot/4r7HHyVwsvigLRlYnsNy2m/a19d882ce7a19d3c0594efb7a47b58cf/geo-r12-boundedcard-272x181.png?fm=jpg&fl=progressive&w=50&h=50&q=90)
![Trimble R780](https://images.ctfassets.net/1nvkn1423yot/2POj0SYpZkVHRGa18ZfkKB/6dbacb312336a97125fd65f87338c0c7/geo-r780-boundedcard-272x181.png?fm=jpg&fl=progressive&w=50&h=50&q=90)
![Trimble R750](https://images.ctfassets.net/1nvkn1423yot/68qryA4krbhERVt6exWLmc/e904793018ca6ff81385eea91cb5ae8e/geo-r750-boundedcard-272x181.png?fm=jpg&fl=progressive&w=50&h=50&q=90)
![Trimble R580](https://images.ctfassets.net/1nvkn1423yot/1dPgbLCuaL5KK05S8ELLO7/515a6304b38a25902acf943b11694c48/geo-r580-boundedcard-272x181.png?fm=jpg&fl=progressive&w=50&h=50&q=90)
Resources and knowledge
![Go beyond the data](https://images.ctfassets.net/1nvkn1423yot/4mX4IpJlmBszW56JXH5aLK/0a700f82280884a97795cdbad4db3fa4/geo-resources-boundedcard1-272x181.jpg?fm=jpg&fl=progressive&w=50&h=50&q=90)
![Inspiring perspectives](https://images.ctfassets.net/1nvkn1423yot/MAOHEc7pfrLCwSYlQWkXa/7823dd85d95b50707428c20fb742bd05/geo-resources-boundedcard2-272x181.jpg?fm=jpg&fl=progressive&w=50&h=50&q=90)
Inspiring perspectives
![Watch what Trimble can do](https://images.ctfassets.net/1nvkn1423yot/6TQWqFBh7v3AzZb70t5D1S/cd9109d57466b367ab07b648290dcaea/geo-trimblex9-productpage-keyfeatures-720x720.jpg?fm=jpg&fl=progressive&w=50&h=50&q=90)
Watch what Trimble can do
![Join us live or later](https://images.ctfassets.net/1nvkn1423yot/7aooMSiWnw5vE8w3c0pv6t/3f1c64a3208dec908d5de204b7df4e2a/geo-resources-boundedcard4-272x181.jpg?fm=jpg&fl=progressive&w=50&h=50&q=90)
Join us live or later
Next steps
Our global network of Distribution Partners provides precision geospatial solutions, insight and support at a local level.