Tenma 72-7390 Frequency Counter - 30MHz to 2.8GHz

Ultra Compact
2.8GHz Frequency Counter
Rugged instrument is smaller than a deck of cards, yet provides frequency measurement of digital, on/off keying and analog signals from 30MHz to 2.8GHz. It is perfect for displaying the output of two-way radio equipment, analog and digital cell phones, RF remote controls and many other items. Internal vibrator alert also makes this an outstanding device for detecting transmitters in counter-surveillance applications.

Seven digit LCD display

16 segment bargraph signal strength meter

Rugged aluminum housing with black anodized finish

Input threshold "squelch" control

Hold function

Internal nicad battery pack with included charger

Removable telescopic antenna

Specifications:

Frequency range: 30 ~ 800MHz (low), 500Mhz ~ 2.8GHz (high)

Resolution: 10KHz (digital and on/off keying), 1KHz (analog)

Input: BNC female, 50Ω

Minimum pulse width (on/off keying): 50µS

Sensitivity: <5mV

Max input: 15dBm (not for direct connection to transmitter)

Typical battery life: 5 hours

Dimensions: 3.25" (H) x 2.8" (W) x 1.25" (D)