Does anyone have any experience with active, high - gain GPS antennas from other companies? I'm planning of replacing my Toyota OEM in - dash navigation unit's antenna with something having higher sensitivity. It uses a proprietary plug which can be scavenged off eBay, and is interchangeable with non - JBL - equipped audio systems.
Typical Toyota specs are as follows (a quick cut - and - paste):
Antenna, Navigation 08663-00820 04D0 Aisin AW Co., Ltd. 86860-60V160 Made in China
Dimensions: 26 x 26 x 12.9mm Weight: 14g Power Supply Voltage: 4.0 – 5.0V (typically active, 20 - 30db gain?) Power Consumption: 10 to 30mA Usage Temperature: -30 to +90C Storage Temperature: -40 to +110C
Unfortunately, I have no info on the chipset used on this system.