retevis (3rd gen rt97) retevis rt97l gmrs high-power repeater, ip66 waterproof, long range base station compatible with raspberry pi for emergency, farms, remote areas & home use (1 pack) default frequency is up for auction in Electronics. The current bid is $61.00, 89% below the $534.99 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.