DRS1 Transmitter, 869 MHz TVD-DTX002
DRS1 Transmitter both 869 MHz
Wire colors correspond to wires on the harness.
The recommended battery is an 11.1V lithium polymer (lithium ion) 3-cell battery of 100 mAh or higher. In a test I found that a 120 mAh battery will run my sound-equipped Forney for 40 minutes with the wheels slipping. Obviously, the larger the battery the longer the time between charges. 7.2V, 2-cell batteries will work with most locomotives with some loss of pulling power.
An on-off circuit to disconnect the battery is needed. This can be a plug you pull apart or it can be switch.
If a lithium battery ledt connected after discharging it will be damaged. (Some batteries, like the SparkFun batteries reccomended below, come with a small circuit board to prevent this and to prevent over-charging.)
Be sure to read the instructions that come with lithium batteries – they are not as tolerant as other types of battery.
We recommend removing your battery and charging it in a coffee cup as they have been known to explode. If you cannot remove it, then charge it at the slowest rate possible on your charger.
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The only difference between the 001 (916 MHz) and 002 (869 MHz) is the MHz.
The 869 MHz is widely used in Europe.