OML frequency extender module adapter kits make for an easier connection to FieldFox units with N-Type and 3.5 mm ports. Frequency extender adaptors work with OML frequency extender model number M28H2ADC-K (24 to 40 GHz), or Keysight special handling part number N9910XM28-H2A, available for sale directly through Keysight.

When ordering the OML frequency extender as Keysight model number N9910XM28-H2A, you can add the adapter kits shown below to the order as Keysight model numbers N9910M28-AK1, -AK2, -AK3, -AK4 and -AK5.
Keysight model number Description
N9910XM28-AK1 Coaxial straight Male-N to Male-SMA, Qty 2 included, connects mixer directly to FieldFox with N-Type ports
N9910XM28-AK2 Coaxial straight Female-SMA to Female-N, Qty 2 included, spacer for FieldFox units with 3.5 mm ports and used with N9910XM28-AK1 when GPS antenna is mounted vertically
N9910XM28-AK3 Coaxial straight Male-SMA to Female-SMA, Qty 2 included, connects mixer directly to FieldFox with 3.5 mm ports
N9910XM28-AK4 Female-SMA to Male-SMA, Right Angle, Qty 1, for connecting GPS antenna at right angle and used for GPS antenna attachment with N9910XM28-AK1 or N9910XM28-AK3 adapter kits
N9910XM28-AK5 Waveguide horn antenna and mounting fixture
When ordering OML frequency extender adapter kits separately (not added to an order with Keysight model number N9910XM28-H2A), you can order the adapter kits shown above (N9910M28-AKx) as the Keysight part numbers shown below.
Keysight part number Description
1250-1636 Coaxial straight Male-N to Male-SMA, order Qty 2, connects mixer directly to FieldFox with N-Type ports
1250-3968 Coaxial straight Female-SMA to Female-N, order Qty 2, spacer for FieldFox units with 3.5 mm ports and used with (part number 1250-1636 adapter kit shown above) when GPS antenna is mounted vertically
1250-3851 Coaxial straight Male-SMA to Female-SMA, order Qty 2, connects mixer directly to FieldFox with 3.5 mm ports
N0000-33203 Female-SMA to Male-SMA, Right Angle, Qty 1, for connecting GPS antenna at right angle and used for GPS antenna attachment with (part number 1250-1636 or 1250-3851 adapter kits shown above)
0950-6352 Antenna and mounting fixture, 0.75-inch square flange plastic, Qty 1 included, to be used with 0955-3591 below
0955-3591 Waveguide horn antenna, pyramidal Ka-band 26.5 to 40 GHz WR-28, Qty 1 included, also order 0950-6352 above for mounting fixture