1 x JK560S Frequency Counter. This is the best tools for the signal testing and radio maintenance. Mini frequency counter. - Frequency step : 200K (digital radio signal), 1K, 100Hz. Frequency step : 200k (digital radio signal), 1k, 100Hz.
eBay
Good used condition. Refer to pics for details.
eBay
This device operates on a 9V battery (about 30 hours) or an AC adapter (included). A heavy duty carrying case is also included for the protection of the device and your convenience. It needs to attach to a computer to log data.
eBay
Looks good, not tested.
eBay
SWR / RF / Tester Test Field Strength. - 3 analog counter function for SWR, RF power and field strength. - Test for SWR or relative power. - SWR: 1: 1-3: 1. - RF power: 0-10WATT / 0-100WATT. - Indicates the condition of a 50 ohm antenna and coax used for CB operation.
eBay
Brand new in box
eBay
Fast and Slow dynamic characteristic modes. Dynamic Characteristic: FAST (high speed)/SLOW (low speed). scale at 1 dB step for monitoring current sound pressure level display. With 2 equivalent weighted sound pressure levels A and C. AC &.
eBay