Our  Service Upgrade to Dual Radio (LRR and BLR)  is available for a limited time only. All existing Trimble S series robotic total stations produced since April 2019 with serial numbers XXX30001 or higher and equipped with LRR can be upgraded to dual radio functionality BLR radio (LRR and BLR).  Unit must be in good working condition for the upgrade - subject to inspection. The customer is responsible for arranging delivery of the unit to an Authorized Service Centre. Once the service is complete, we will return the unit to the customer at no additional freight cost. EM140 radio module for Data Collector purchased separately. ST30 Smart Target, Rod, accessories, and Configuration sold separately.