This SkyZone 5.8G 400mW 8 Channel Video Transmitter features a high power output for longer range with your FPV models. It also offers a compact size with built in heatsink to ensure your components stay cool.
Specs: Video Format: NTSC/PAL Operating Voltage: DC 7~14V Supply Current: 220mA Antenna Connector: RP-SMA Dimensions: 55 x 26 x 17mm Weight: 25g
5800MHz 400mW TS353 Wireless Video Sender Channels & Frequencies
5.8G : 5705,5685,5665,5645,5885,5905,5925,5945MHZ
Included: 1 x 5.8G 400mW transmitter 1 x Antenna Wire leads
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I would connect 12V ubec between ts353 and 4S battery. 4S battery gives at max 14,8V while ts353s scale is stated 7-14V so without ubec the vtx can possible overvoltage and burn. Haven't tried myself though..
I'd like to know too. I have purchased this unit, but the the actual transmitter has TS330 as the model on the circuit board, but the packaging says TS353. And a quick Google search pops up that the TS330 is the 200mW not 400mW.