| PartNumber | 451-00303 | 451-00002 | 451-00003 |
| Description | Headers & Wire Housings 3 Pin Single Row Header (long) | Bluetooth Modules (802.15.1) BL654 - Bluetooth v5 802.15.4 / NFC Mod | Bluetooth Modules (802.15.1) BL654 - Intelligent USB Bluetooth v5 Ada |
| Manufacturer | Parallax | Laird Connectivity | Laird Connectivity |
| Product Category | Headers & Wire Housings | Bluetooth Modules (802.15.1) | Bluetooth Modules (802.15.1) |
| RoHS | Y | Y | Y |
| Product | Headers | - | Adapters |
| Type | Pin Strip | - | - |
| Number of Positions | 3 Position | - | - |
| Number of Rows | 1 Row | - | - |
| Mounting Style | Straight Pin | - | - |
| Termination Style | Through Hole | - | - |
| Mounting Angle | Straight | - | - |
| Contact Gender | Pin (Male) | - | - |
| Accessory Type | - | - | - |
| Contact Type | - | - | - |
| Brand | Parallax | Laird Connectivity | Laird Connectivity |
| Row Spacing | - | - | - |
| Product Type | Headers & Wire Housings | Bluetooth Modules | Bluetooth Modules |
| Factory Pack Quantity | 1 | 1000 | 100 |
| Subcategory | Headers & Wire Housings | Wireless & RF Modules | Wireless & RF Modules |
| Unit Weight | 0.102400 oz | - | 0.253973 oz |
| Data Rate | - | 2 Mb/s | - |
| Operating Supply Voltage | - | 1.7 V to 3.6 V | - |
| Output Power | - | 8 dBm | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Sensitivity | - | - 92 dBm | - |
| Interface Type | - | Serial | - |
| Series | - | BL65x | BL65x |
| Packaging | - | Cut Tape | - |
| Dimensions | - | 15 mm x 10 mm x 2.2 mm | - |
| Frequency | - | 2.402 GHz to 2.48 GHz | - |
| Antenna Connector Type | - | External | - |
| Moisture Sensitive | - | Yes | - |
| Supply Current Receiving | - | 5.4 mA | - |
| Supply Current Transmitting | - | 14.1 mA | - |