Details: OEM Motorola RAD4208A – (150-168 MHz) Low Profile VHF Antenna – Black This is a VHF, unity gain, low profile, black antenna. These antennas are designed to direct the signal more towards the horizon, making them ideal for applications in more geographically flat regions where signal coverage is sparse and must cover a large area. Compatible With: ASTRO Digital Spectra, CDM750, CDM1250, CDM1550, CDM1550 LS, CDM1550 LS+, GTX Privacy Plus Mobile, GTX LTR Mobile, MaraTrac, MaxTrac, PRO3100 Professional Radio Series, PRO5100 Professional Radio Series, PRO7100 Professional Radio Series, Spectra Radio Models