The Randolph-Brooks Federal Credit Union Visa Signature is a personal credit card from Randolph-Brooks Federal Credit Union Visa Signature. The annual fee is $0. The ongoing APR is 11.20% - 18.00% Variable after a 2.9% introductory rate for 3 months. Approval typically requires a credit score of Good (670+) or higher. Rewards: 1.5% cash back on all purchases.. Cash back: 1.5% on all purchases.. Typical credit limit: Up to $25,000. This product reports activity to your personal credit report. No foreign transaction fees for purchases made outside the U.S.