LM048 vs LM068 对比
详细并排对比 LM048 出自 LM Technologies 和 LM068 出自 LM Technologies。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
规格对比
| 参数 | LM048 | LM068 |
|---|---|---|
| 品牌 | LM Technologies | LM Technologies |
| 分类 | RF Modules | RF Modules |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $31.68 | $35.50 |
| Product Type | Bluetooth Serial Adapter (RS232 cable replacement) | Bluetooth Serial Adapter |
| Bluetooth Version | v2.0 / v2.1 + EDR | Bluetooth 5.0 Dual Mode (BR/EDR + BLE) |
| Bluetooth Class | Class 1 | — |
| Data Rate (Nominal) | 3 Mbps (EDR) | — |
| Tx Output Power | [DATA_NEEDED: Tx power (dBm), datasheet states ~18 dBm typical but not pinned] | — |
| Rx Sensitivity | -86 dBm | — |
| Operating Frequency | 2.402 GHz to 2.480 GHz (ISM) | — |
| Modulation | GFSK / π/4-DQPSK / 8-DPSK | — |
| Frequency Hopping | Adaptive FHSS, 79 channels | — |
| Range (Open Space) | Up to 100 m | — |
| RS232 Interface | DB-style RS232, full DTR/DSR/RTS/CTS replicated | — |
| Baud Rate Coverage | 1.2 kbps to 460 kbps | — |
| Power Supply (RS232 Pin 9) | 4 V to 13 V DC | — |
| Power Supply (Mini-USB) | 5 V via Mini-USB | — |
| 工作温度 | -20 °C to +75 °C | — |
| Housing | Plastic enclosure, slide switch, status LEDs | — |
| Profiles | SPP (Serial Port Profile) | — |
| Antenna | Internal onboard antenna | — |
| Certifications | Bluetooth SIG, CE, FCC (per datasheet) | — |
| Supply Voltage Range | — | 4 V to 12 V |
| Maximum Supply Voltage | — | 12 V |
| Maximum Data Rate | — | 3 Mbps |
| Bluetooth Profile Support | — | SPP (Serial Port Profile) |
| Interface (Host Side) | — | RS232 (DB9 DTE/DCE cable replacement) |
| Stack | — | Embedded Bluetooth 5.0 stack |
| Internal Flash Memory | — | 8 Mbit |
| Power Input Options | — | USB-Mini, DB9, or AC adaptor |
| Configuration Tool | — | LM149v2 host utility |
| Dimensions | — | 46.3 mm x 34 mm x 16 mm |
| Series | — | LM068 Series |
| 安装类型 | — | Standalone external module |
| Operating Modes | — | Auto-connect, discoverable/non-discoverable |
| RoHS 状态 | — | Compliant (assumed based on datasheet) |