Antenna for 2 SDRs

[chainsawman]

I'm trying to monitor San Mateo County Sheriff and local PDs around my area (Redwood City) using a Ryzen CPU with 2 SDRs: Airspy R2 (for the P25 San Mateo system) and Nooelec (for Redwood PD) . I've previously used a Laird antenna before but I don't think the model I used to use is available anymore.

Anyone have any other antenna models they recommend? What factors should I take into consideration?