Enter the highest transmitted frequency		MHz GHz
Enter the transmitter's RF power output		dBm milliwatts

Transmitter Side Cable & Antenna Specifications

Enter the transmitter's external cable type	Times Microwave LMR-600 Times Microwave LMR-195 Times Microwave LMR-240 Times Microwave LMR-400 Times Microwave LMR-500 Times Microwave LMR-900 Times Microwave LMR-1200 1/2 inch Heliax 5/8 inch Heliax 7/8 inch Heliax Belden 9913 Crap RG-8
Enter the transmitter's external cable length		feet meters
Enter the transmitter's antenna peak gain		dBi dBd
Enter the transmitter's antenna height (AGL)		feet meters
Total number of transmit cable connectors or adapters
Gain of external transmit amplifier
Enter any miscellaneous transmit losses		dB

Receiver Side Cable & Antenna Specifications

Enter the receiver's external cable type	Times Microwave LMR-400 Times Microwave LMR-195 Times Microwave LMR-240 Times Microwave LMR-500 Times Microwave LMR-600 Times Microwave LMR-900 Times Microwave LMR-1200 1/2 inch Heliax 5/8 inch Heliax 7/8 inch Heliax Belden 9913 Crap RG-8
Enter the receiver's external cable length		feet meters
Enter the receiver's antenna peak gain		dBi dBd
Enter the receiver's antenna height (AGL)		feet meters
Total number of receive cable connectors or adapters
Gain of external receive amplifier
Enter any miscellaneous receive losses		dB
Enter the receiver's BER (bit error rate) threshold		dBm

Transmit/Receive Antenna Distance Specifications

Enter the distance between antenna sites

miles meters kilometers feet

AGL  Above Ground Level.  Height above common ground to the midpoint of the radiating antenna.

• Miscellaneous losses are caused by ground reflection, atmospheric absorbtion, interference, or whatever.
• Assumes 0.25 dB loss for each coax connector or adapter.
• Attenuation of a 2.4 GHz signal in heavy rain (150 mm/hr) is 0.02 dB/km.
• Attenuation from trees is approximately 0.35 dB/meter at 2.4 GHz.