Image: Rotor Riot
Components · Wireless Comms
Dual Band 2.4GHz / SUB-G 900MHz Antenna - RP-SMA
MFR RadioMasterMODEL RR2221
Dual Band 2.4GHz / SUB-G 900MHz Antenna - RP-SMA — wireless comms by RadioMaster.
Vendor-supplied listing. This part is made by RadioMaster and listed from Rotor Riot. Full specifications and current availability are held by the manufacturer; this listing carries the part, its price and its category.
Carried by Rotor Riot and RaceDayQuads in this catalogue, so it does not depend on one supplier here.
Rotor Riot: usually ships same day. Its shipping policy says: “Orders for in-stock items, placed before 2 PM EST, Mondays through Fridays, are typically fulfilled the same day.” Policy, read 8 Oct 2026. That is the supplier’s dispatch time, not a delivery date; carrier transit is extra.
Specifications· 4 fields
As published by RaceDayQuads for the same part. View that listing
- SWR
- 1.27 @ 2.4GHz / 1.25 @ 900MHz
- Weight
- 15.78 g
- Connector
- RP-SMA
- Frequency
- 2.4GHz | Sub-G 900MHz