Products Grid
Best Sellers
Recently Added
DAVID CLARK HEADSET
Behind the Head (BTH) Style – No Adapter Needed
Connect directly to portable radio with no adapter required
Rated Intrinsically Safe with FM Approval (Approved to IS / CSA / ATEX / IECex standards)
Marine-grade, stainless steel hardware and rugged construction
Cap attachable style for applications requiring hard hats or protective headgear
PTT button conveniently located on headset ear dome
Durable 6-foot extended coil cord terminated with radio-specific connector
Undercut, Comfort-Gel ear seals for maximum comfort
Hard hat not included
STANDING WAVE ANALYZER
CAA-500 STANDING WAVE ANALYZER
supports 1.8~270/300~500MHz
simultaneuos measurement of impedance/VSWR witha cross metre
wider bandwidth acheived through a newly designed circuit
features
connect an antenna to the upper terminal
select the target frequency via the frequency range
easier than adjusting to the desired frequency using the frequency fine tuning dial
can be used with 6 `AA` Batteries
BROAD BAND ANTENNA
The Comet CHA-250B is a newly design broadband vertcal requiring no ground radials.
this antenna is extremely easy to assemble, requires no tuning or adjustmnets and VSWR is under 1.6:1 continuosly from 3.5MHz-57MHz
it is not a 1/4 wave vertical, but an end-fed long wire type antenna with a matching transformer in a vertical position.
Broadband:
TX: 3.5-57MHz
RX: 2.0-90MHz