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Reviews For: Alpha Delta Models DELTA-2B and DELTA-4B coax antenna switches

Category: Antenna Switching, Phasing, Controllers

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Review Summary For : Alpha Delta Models DELTA-2B and DELTA-4B coax antenna switches
Reviews: 2MSRP: Model DELTA-2B (2 pos. UHF conn)
Description:
The new DELTA "B" series coax antenna switches have significant design and manufacturing improvements. new precision machined switch shaft and quadrant rotating mechanism for more accurate switching performance. Higher strength, lower resistance silver bearing solder and new powder coat finish on housing for improved abrasion resistance. New brass ARC-PLUG (tm) module housing for improved gas tube positioning. All other features of previous switches retained. Models for both UHF and type "N" connectors. Now made in our ISO-9001 certified manufacturing facility for highest reliability.
Product is in production
More Info:
# last 180 days Avg. Rating last 180 days Total reviews Avg. overall rating
0024.5
N3DT Rating: 2021-05-14
Delta-4B UHF type Time Owned: 0 to 3 months.
Just got it. I was worried the knob would be hard to turn, no problem, easy. The outside 2 connectors have more SWR than the 2 inside ones, mostly above 220. Haven't checked the isolation, but that's not important to me, I'm switching my transceiver to different antennas. I'm happy with it, it seems to handle the A1000 just fine. Replaces a bunch of old relay crap on the bench. Bonus is the unused antennas are shorted to ground, and the surge protector. In com position, the transceiver is not grounded. Time will tell, I switch antennas a lot. I'll give it a better report if it lasts.
DXSHORTWAVE Rating: 2007-07-03
DELTA-4B has excellent channel isolation Time Owned: 6 to 12 months.
We recently changed out the coax switches at our HF monitoring site to the Alpha Delta DELTA-4B coax switches. What a difference! The co-channel isolation is greater than 60-70 dB (as measured here) and the positive switch detent for rotation is very firm and you know where you are.

We like the fact that the surge protection module is replaceable from its front panel. The low in-line loss is very impressive. Hardly measureable until about 400 MHz, but then N type connector units are available. They are built like a tank too. Good going Alpha Delta