http://www.citystar.com.cn/Andrew/Products/Antenna/BSA/Omni.htm
901-944 MHz 7.80 dBd (10.00 dBi) Gain PG1N0F-0090-310 901-944 MHz, single polarized, 10 dBi gain omni antenna with 3 degrees of electrical downtilt
have 2 of these very heavy