| Splashdrone 4 Charger Power Cable | To connect the power to the battery charger |
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| Splashdrone 4 RC Barrel Power Cable | To connect the RC with the battery charger |
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| Splashdrone 4 Micro USB Cable | To upgrade Splashdrone 4 firmware |
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| Splashdrone 4 Battery Data Cable | To export the battery data |
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| RX | Serial port RX (transparent transmission receive from image transmission) |
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| TX | Serial port TX (transparent transmission transfer to image transmission) |
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| RX1 | Serial port RX (serial transmission receive from flight control) |
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| TX1 | Serial port TX (serial transmission transmit to flight control) |
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| PWM | PWM signal (control camera photography and video recording) |
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| TX5 | Serial port TX (gimbal control) |
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| RX5 | Serial port RX (gimbal control) |
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| RX- | Ethernet RX-: data receiving negative terminal |
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| RX+ | Ethernet RX+: data receiving positive terminal |
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| TX- | Ethernet TX-: data sending negative terminal |
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| TX+ | Ethernet TX+: data sending positive terminal |
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