Available are 2 solar-powered transmitters, one in 434.075 MHz and one tuned to 434.055 MHz. Light weight at 16.5 grams with an operational lifespan of more than 3 years. Size is 1.4 long x 1 wide x 0.46 thick. Magnetic on/off switch plus mortality sensor.

Used for 2 months in 2019 and since have been stored with new charge once every 4 months as per instructions.

Includes one Marshall track pack ribbon for installation. Price each is $175, or both for $325. Free shipping in USA.

The perfect hacking transmitter.