This Topcon GR3 Base & Rover set comes equipped with Bluetooth and the upgraded digital UHF 410-470 MHz radio for reliable and seamless communication. Currently these units are set up as a base and rover, both GR3 receivers are equipped with the optional Verizon CDMA modem so you can convert the base to a rover and have 2 rovers operating independently simultaneously. The set includes the rugged Topcon FC120 field data collector operating on the Windows Pocket PC system with Topcon Pocket 3D installed, Topcon carbon fiber pole, Topcon base tripod, manuals, charge cables, and pickup/UTV door mount for easy transport onsite or auto shooting topo elevations. What you see is what you get, a perfect package whether you are adding to your arsenal or starting off you don't need anything else. As a contractor I used it for 3D machine control, and construction layout the entire site; from LOD, roads, basins, utilities, pads, curbs to daily utility as-builts and earthwork volume calcs. TOTAL SITE MANAGEMENT! The equipment has been tested and firmware updated to ensure optimal performance; battery life runs between 12-14 hours of use. As a USA seller, we offer worldwide shipping for this product. Escrow payment can be used for your safety and security, contact me for details. This is a must-have for professionals in the heavy/civil construction and/or surveying and measurement industries. This Topcon GR3 Base & Rover set is an ideal choice for those seeking high-quality and reliable surveying equipment. It was just serviced in March 2024 and appraised at $22,500. I purchased this setup new for $49,500 from my local Topcon dealer. I can train you on your site for an additional fee. Let me know if you have any questions, and as always THANKS FOR LOOKING!