SmartSwitchTD810 Single-Input Transmitter


The battery-powered Isaacs TD810 Standard Power transmitter monitors a set of dry contacts and transmits the contact state (open or closed) in uniquely coded radio signals to its mated Isaacs receiver(s).

The mated receiver(s) detect the TD810 transmitter signal and uses it to control relay output(s).

In addition to the change-of-state signals, the transmitter sends periodic status signals to allow full supervision of the system.


Range: 2 miles

Input: One dry-contact

Radio: 902 – 928 Mhz, frequency hopping, spread spectrum

Signal: Omni-directional

Power: 3-volt lithium battery    (line powered available: TD814)

Mount: 1″ FNPT fitting

Dimensions: 4.8″ Diameter, 10.6″ Height

Weight: 2.2 lb

Compatible Receivers: RD810 (single output), RD811p (four output), RD812 (five output)

Supplementary Devices:

User Guide: