KLM - 440-4N - 70 CM. 4 PORT POWER DIVIDER - FREQUENCY: 420-450 MHz - 2 kW p.e.p. - 50 ohm -  N female connectors

Broadband power divider/couplers are available for use in stacking VHF/UHF beams. 
These units replace the quarter-wave matching cable sections, barrel connectors, and "T" connectors that are ordinarily used. Matching input and output to 50 ohm impedances is automatic.
Use of these low loss devices results in significant savings in cost and complexity, and substantial reduction in cable and connector losses.
Construction is of copper tubing assuring minimal loss and providing excellent physical rigidity. The units are supplied
with type "N" input and output connectors only. 
Power rating is conservatively 2 kW peak envelope power. 
They are "natural" for any array from two to thirty-two antennas.