| Part Number | MICRF103YM TR | MICRF104YM TR | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | RF Transmitters | RF Transmitters | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Frequency | 800MHz ~ 1GHz | 300MHz ~ 470MHz | 
| Applications | RKE | RKE | 
| Modulation or Protocol | ASK, OOK | ASK, OOK | 
| Data Rate (Max) | 115Kbps | 20kbps | 
| Power - Output | -3dBm | -2dBm | 
| Current - Transmitting | 19mA | 12mA | 
| Data Interface | PCB, Surface Mount | PCB, Surface Mount | 
| Antenna Connector | PCB, Surface Mount | PCB, Surface Mount | 
| Memory Size | - | - | 
| Features | - | - | 
| Voltage - Supply | 4.75V ~ 5.5V | 1.8V ~ 4V | 
| Operating Temperature | -40°C ~ 85°C | 0°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 8-SOIC | 14-SOIC |