The TopFly TSDT1-B monitors door status and temperature. It transmits data via BLE to any of TopFly BLE-enabled trackers for transmission to your monitoring account. The TSDT1-B is designed to resolve losses from theft and environmental changes.  The TopFly door sensor is perfectly suited for trailers, cargo containers, storage sheds, RVs, and more. 


The TSDT1-B unit is IP67 waterproof rated and includes a long-life battery that can last up to 6 years before replacement is necessary.


General Specifications


Dimensions:91.2mm*30.5mm*39.1mm (0.3” *0.1” *0.13”)

Weight:52g (1.83oz, Battery Include)

Battery:Replaceable CR2 1000mAh

Transmission Range:Up to 300m (Open Field)

Temp Environment(for Battery Only):-30℃ ~ +60℃ (-22°F ~ 140°F)

Operating Temperature:-40℃ ~ +85℃ (-40°F ~ 185°F)

Build-in Temp Sensor Accuracy:±3℃


The TSDT1-B can be integrated with any TopFly Tech unit that includes BLE technology. Discounts are available for purchases of 5 or more units, please call 951-366-1222 for details. 

TopFly Tech Door Sensor TSDT1-B

  • GPS Telematic Devices:


    The Orbit Connected Sales Return Policy for all GPS devices, excluding GPS cameras which are covered separately, is as follows. Any GPS telematic device purchased from Orbit Connected, Inc. may be returned for any reason for a period of 30 calendar days from the date of purchase. The amount refunded will be for the purchase price and state sales tax, if any, without any restocking charge. The amount of refund does not, however, include the original shipping and handling charges or return shipping charges.


    In the event of a GPS telematic device purchased from Orbit Connected failing to operate, Orbit Connected will replace the defective unit with the same make and model or with a similarly priced unit in the event the defective unit is no longer available for a period of up to 2 years from the purchase date unless the manufacturer's warranty specifies a longer warranty period.

  • Orbit Connected ships all purchases by USPS priority service with sales and shipping limited to the continental U.S. The weight and shipping cost for each item is as indicated in the product description. If you have any questions regarding shipping costs, please call 1+951-366-1222 for additional information prior to purchase.