MikroTik LHG XL HP5 Dual Chain Extra Large High Power 27dBi 5GHz CPE Point to Point Integrated Antenna (RBLHG 5HPnD XL US) The LHG XL HP5 is a 5GHz 802.11 a/n wireless device with an integrated dual polarization 27 dBi grid antenna and high TX output power, designed to reach up to 40km in point-to-point setups at full speed.