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Wireless meter reading solution
Features
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● Highly integrated bidirectional FSK transceiver ● Working frequency range 470-510MHz ● Output power, frequency deviation, programmable receiving bandwidth ● Excellent selectivity, blocking characteristics ● Use standard SPI interface with MCU, only need 6 lines (SDI, SDO, SCK, NSEL, NIRQ, SDN) ● Few peripheral devices, small size, easy to install ● Can pass the State Grid AMR certification standard ● Open distance 1KM |
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Key model
| Part | Output Power Range | + 11 / + 20 dBm TX Current | Package | FSK / GFSK |
Description |
OOK |
Frequency Range |
2 / 4.8 Sensitivity (dBm) |
|
Si4460 |
-40 to +13 |
18 mA / — |
QFN20 |
1000 kbps | TRX |
120 kbps |
142-1050 MHz |
-124 / -112 |
| Si4461 | -30 to +16 | — / — | QFN20 | 1000 kbps | TRX | 120 kbps | 142-1050 MHz |
-124 / -112 |
|
Si4462 |
-20 to +20 | — / 85 mA | QFN20 | 1000 kbps | TRX | 120 kbps | 142-1050 MHz | -124 / -112 |
| Si4464 | -20 to +20 | — / 85 mA | QFN20 | 1000 kbps | TRX | 120 kbps | 119-960 MHz | -124 / -112 |
| Si4467 | -40 to +13 | — / 85 mA |
QFN20 |
1000 kbps | TRX | 120 kbps | 142-1050 MHz | -124 / -112 |
| Si4468 | -20 to +20 | — / 85 mA | QFN20 | 1000 kbps | TRX | 120 kbps | 142-1050 MHz |
-124 / -112 |
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