The WRT Series antennas are now available in 418- and 433-MHz models. Suitable for applications such as wireless vending, security, traffic, or power equipment latest antennas provide the same performance characteristics as their predecessors with center frequencies of 868 MHz, 916 MHz, and 2.45 GHz. They employ a 27-mm high radome that installs through a small hole and is anchored by a threaded base. The antenna's coax feed is available with SMA or RP-SMA terminations. Alternative coax lengths, connectors and custom colors are also available. WRT Series antennas are priced under $7 each in volume. ANTENNA FACTOR, Merlin, OR. (800) 489-1634.