Most of you are aware that DJ has lent me his newly factory serviced 3.864 V1 for testing. Today I had some time to do some preliminary X and K band performance testing against some of my favorite X and K band door openers located around town. These tests are just "quick and dirty" tests, and more thorough testing along with videos will be posted in the future.
-- The STi was mounted in its usual position just above the left side of my RVM. The V1 was mounted just to the left of the STi, but it was placed approximately 1/2" lower so that the front of the V1's antenna was located approximately 3/4" forward of the STi's antenna. This was necessary in order to prevent the STi from "seeing" the LO leakage from the V1.
-- All tests were performed with either the V1 or the STi turned on, and all tests were repeated with both windshield mounted RDs turned on. The 9500ci remained turned on at all times since its antenna is mounted in front of the radiator. Interestingly, at least as far as X and K band is concerned, the V1 mounted as described above did not affect the STi's or 9500ci's X or K band sensitivity in any way. Likewise the STi adjacent to the V1 didn't affect the V1's X or K band sensitivity. So at least as far as X and K band are concerned, the test setup with the windshield mounted RDs mounted as high as possible and with the V1's antenna deliberately placed a bit forward of the STi's antenna, does not cause any problems for X and K detection. Note that this might not hold true when I eventually test Ka band performance.
-- The V1 was reset to all of its factory defualts and was being operated in the "A" all bogeys mode. The STi and 9500ci were being operated in their Highway modes.
-- Specific long range were performed against some of my favorite "test" X and K band door openers located around town. A specific over-the-hill test was also performed against one particular K band door opener.
-- I didn't pay too much attention to the V1's arrows or bogey counter since these tests only were concerned with overall X and K band sensitivity comparisons of these radar detectors. Yet I can say that the arrows appeared to work rather well.
-- My recently reflashed STi (flashed with the new audio ramp-up code) matched the V1 for alerting to my favorite lone X band door opener. I did several tests, approaching the door opener from different directions. Both the STi and the V1 would start to alert to the door opener literally within a few feet of each other on the road regardless of whether both RDs were turned on or when only one or the other RD was turned on.
-- The V1 alerted approximately 30 feet sooner than the STi when approaching a specific K band door opener which was located over a shallow hill. Yet the 9500ci began to alert to this same door opener approximately 300 feet sooner than the V1. The 9500ci was almost always was showing a signal strength of 2 bars when the V1 began to alert to the same K band signal. I then did some specific long range tests against a few more of my favorite "test" K band door openers. My conclusions are that the V1 is nearly twice as sensitive to K band compared to my STi. I estimate that the V1 is 2dB to 2.5dB more sensitive to K band compared to my STi. The 9500ci is a different story. In all tests the 9500ci alerted first by significant margins. I conclude that the 9500ci is 4 times as sensitive (6dB) to K band compared to the V1.
-- Not tested. Ka band testing will be performed at a later date.