- base-band
- baseline costs
- basic access
- basic channel
- basic cycle
- basic distribution
- basic edit
- basic format
- basic receiver
- batch facility
- batch mode
- batch printing
- batch processing
- batch region
- batch scanning
- batch total
- batched communication
- batching counter
- battery condition
- battleship tank
- baying aerials
- bazooka balum
- beacon track
- beaconing terminal
- beam angle
- beam area
- beam attenuator
- beacon tracker
- beads
- beam
- beam antenna
- beam axis
- beam cluster
- beam control
- beam edge
- beam impedance
- beam scanning
- beam shaping
- beam sharpening
- beam storage
- beam switching
- bearer circuit
- beat product
- beginning number
- bell call
- bell code
- benchmark
- benchmark problem
- benchmark routine
- benchmark test
- bendable waveguide
- bending angle
- beta rhythm
- Beverage aerial
- Beverage antenna
- BHCA
- bias distortion
- bias resistance
- bibubterence codes
- biconical antenna
- biconical horn
- bid sheet
- bidder
- bidirectional link
- bifilar helix
- binary cell
- binary division
- binary format
- binary line
- binary relation
- binary shift
- binder program
- biharmonic function
- bilateral amplifier
- bilateral antenna
- binary error
- binary ring
- binding
- binding edge
- bioinstrumentation harness
- biological electricity
- bionics
- bipolar coding
- bipolar diode
- bipolar logic
- bipolar signal
- bipolar technology
- bipolar transmission
- bipole
- birdcage aerial
- bistability
- bistable amplifier
- bisynchronous
- bit distortion
- bit group
- bit slip
- bit switch
- bit synchronism
- blank coil
- blank film