| Part Number | 221551-3 | 221551-1 | 
|---|---|---|
| Manufacturer | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors | 
| Category | Coaxial Connectors (RF) - Adapters | Coaxial Connectors (RF) - Adapters | 
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| Product Status | Active | Active | 
| Adapter Type | Jack to Jack | Jack to Jack | 
| Conversion Type | Same Series | Same Series | 
| Adapter Series | BNC to BNC | BNC to BNC | 
| Center Gender | Female to Female | Female to Female | 
| Convert From (Adapter End) | BNC Jack, Female Socket | BNC Jack, Female Socket | 
| Convert To (Adapter End) | BNC Jack, Female Socket | BNC Jack, Female Socket | 
| Impedance | 50Ohm | 50Ohm | 
| Style | Straight | Straight | 
| Mounting Type | Free Hanging (In-Line) | Free Hanging (In-Line) | 
| Mounting Feature | - | - | 
| Fastening Type | Bayonet Lock, Bayonet Lock | Bayonet Lock, Bayonet Lock | 
| Frequency - Max | - | - | 
| Ingress Protection | - | - | 
| Center Contact Plating | Gold | Silver | 
| Features | - | - |