Cables
![](https://www.palstar.com/en/images/product-images/usb-serial.png)
HF-AUTO USB to RS232 Cable
Price: $34.95Model #: 7418600
This cable is used to connect your computer to download HF-AUTO firmware:
USB port on computer to RS-232 port on HF-AUTO.
![](https://www.palstar.com/en/images/product-images/null-modem-cable.png)
100' Null-Modem Cable for HF-AUTO-R
Price: $89.95Model #: 9009600
Null-modem cable to connect HF-AUTO-R to HF-AUTO base unit.