Davis Instruments Range Repeater w/Solar Power Long. 2 km). Please note: Use of this product requires a pair of external antennas sold separately.The Long-Range Repeater has a transmitting and a receiving cable each with an end which will connect to an external antenna. Choose either our large omni directional antenna (#7656) range 1560' (476 m) in all directions or our Yagi directional antenna (#7660) range 5000' (1.5 km) in one direction. You'll need two antennas for each Long-Range Repeater. The charging system is capable of performing continuously even under low light conditions. Includes solar panel regulator circuit and rechargeable battery. Compatible with Vantage Pro2 and Vantage Vue only. Not compatible with original Vantage Pro. Specifications for Davis Instruments Long Range Repeater w/Solar Power: Manufacturer: Davis Instruments Color: Black Package Contents: Davis Instruments Long Range Repeater w/Solar Power Davis Instruments 7654: Range Repeater w/Solar Power Long