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EMTRON DV – ES4 Radio / Antenna Selector

$399.00 INCL. GST

Specifications

  • Input power (3 inputs): 200 W maximum , 50 Ω load, non-switching
  • The non-active inputs: grounded
  • Output power (5 outputs): 2000 W, 3000 W peak, 50 Ω load, non-switching
  • Feedback Output to Input: about  -115dB@30MHz
  • SWR: Better than 1:1.05, 1 MHz to 30 MHz, Input (Radio) and Output (Antenna)
  • Power requirements: 12 Vdc, 11 to 15 V range, up to 250 mA current
  • Protection: “Hot Switching” – changing input or output is inhibited if PTT is low (<1 V)
  • The PTT (RCA) sockets output a weak voltage of +5 V. When pulled low, the current is about 8 mA.
  • ALC negative signal sent to the 3 radios via back to back diodes (if connected)

NOTE:

PTT must be connected for the Hot Switching protection to work

Dimensions (overall):

  • Base: 240 x 125 x 58 mm (without wall mounting bracket

(9.5” x 5” x 2.3”)

  • Base: 240 x 166 x 58 mm (including the wall mounting bracket)

(9.5” x 6.5” x 2.3”)

  • Controller: 168 x 68 x 26 mm

(6.6” x 2.7” x 1”)

  • Weight: 1.4 kg (3 lb)

1 in stock

Questions? Lets Talk
SKU: EMTRONDV ES-4 Category: Tags: ,

ES-4 COMES AS A CONTROL UNIT AND A BASE (SWITCHING) UNIT

THE BASE UNIT RECEIVES 12V POWER AND HAS ALL THE HEAVY COAXIAL CABLES CONNECTED TO IT. THERE IS ALSO PROVISION FOR CONNECTING UP TO 3 PTT AND UP TO 3 ALC CABLES (OPTIONAL, IF USED OR NEEDED). TYPICALLY THE BASE UNIT IS INSTALLED BEHIND THE AMPLIFIER, POSSIBLY ON A WALL OR WOODEN PANEL (MOUNTING BRACKET SUPPLIED).
THE CONTROL UNIT IS CONNECTED TO THE BASE VIA A FLAT CABLE. IT HAS AN OPTIONAL PTT CONNECTION. THE CONTROL UNIT IS TYPICALLY PLACED IN FRONT OF THE OPERATOR, NEAR THE RADIO.
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