Bird - The RF Experts

150 Watt, Oil-Cooled RF Termination

8135, RF Load is a portable, general purpose 50 ohm coaxial transmission line termination. It is a self-contained unit requiring no outside power source or additional equipment. This coaxial load resistor provides an accurate, dependable, and practically non-reflective termination for adjustment, standby, and testing of transmitters under non-radiating conditions.

  • Industry standard portable Bench load for general purpose mobile and base station RF testing up to 4 GHz
  • Oil-assisted convection cooling for safe, continuous operation up to 150W full rated power
  • Quick Change (QC) connectors to minimize the need for adaptors when making critical measurements
  • Rugged housing with handle and rubber feet for trouble-free operation in the most demanding environments
product specifications:
Item No
Item Name
150 Watt, Oil-Cooled Terminations
Power Rating
150 W continuous
Frequency Range and VSWR
DC to 1 GHz @ 1.1 max
1 to 2.5 GHz @ 1.2 max
2.5 to 4 GHz @ 1.3 max.
Temperture Range
-40 to +45 °C
0.1 gal. (380 ml) refined mineral oil
Product Type
Operating Position
Horizontal only
N (F)
Gray Powder Coat
9-1/2" x 3-15/16" x 6-11/32" (L x W x H)
241 x 100 x 161 mm
6.0 lbs. (2.7 kg)