| PartNumber | ROM-2238P-NF | ROM-2238S-NF | ROM-2238P-NF-R |
| Description | Microphones 2.2kOhm x 5.8mm | Microphones 2.2kOhm x 5.8mm | Microphones 2.2kOhm x 5.8mm |
| Manufacturer | PUI Audio | PUI Audio | PUI Audio, Inc. |
| Product Category | Microphones | Microphones | Microphones |
| RoHS | N | N | - |
| Directional Properties | Omnidirectional | Omnidirectional | Omnidirectional |
| Impedance | 2.2 kOhms | 2.2 kOhms | 2.2 kOhm |
| Sensitivity | - 38 dB | - 38 dB | -38dB ±3dB |
| Termination Style | Solder Pin | Solder Pad | Solder Pin |
| IP Rating | - | - | - |
| Diameter | 5.8 mm | 5.8 mm | 5.8 mm |
| Depth | 2.2 mm | 2.2 mm | 2.2 mm |
| Operating Supply Voltage | 2 V | 2 V | 2 VDC |
| Mounting | Pin | Solderless | - |
| Series | ROM | ROM | ROM |
| Brand | PUI Audio | PUI Audio | - |
| Product Type | Microphones | Microphones | - |
| Subcategory | Audio Devices | Audio Devices | - |
| Type | - | - | Electret Condenser |
| Packaging | - | - | Bulk |
| Length | - | - | 5.8 mm |
| Width | - | - | 5.8 mm |
| Termination | - | - | PC Pins |
| Voltage Rated | - | - | 2 ~ 10V |
| Current Supply | - | - | 500μA |
| Port Location | - | - | Top |
| Size Dimension | - | - | 5.80mm Dia |
| Output Type | - | - | Analog |
| Direction | - | - | Omnidirectional |
| Frequency Range | - | - | - |
| S N Ratio | - | - | 60dB |
| Seal Rating | - | - | None |
| Height Max | - | - | 2.40mm |
| Shape | - | - | Circular |
| Length in | - | - | 0.228 in |
| Length mm | - | - | 5.8 mm |
| Width in | - | - | 0.228 in |
| Width mm | - | - | 5.8 mm |