Hi Gain Chamber Antenna

New water meter 'chamber antenna' released - with an incredible 18dBi gain, covers full 2G, 3G, 4G LTE, 5G bands, 868Mhz, NB-IoT frequencies & LoRaWan

12inches long, with extremely strong magnet, IP rated, fully waterproof, this antenna will get a signal out with even the smallest of gaps, or small holes within the manhole cover, if in some cases you can't drill the cover.

We also have the new button antenna especially for manhole covers, this updated model has 4dBi gain, and wider frequencies, we have changed the radiation pattern also to be more effective, the best manhole cover antenna available, comes with 5mm thread or 25mm thread options, beware of zero gain cheap copies!