Power Consumption Analysis of E54-24LD12A
The E54-24LD12A module has the following power characteristics:
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Operating Voltage: 2.0-3.6V
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Transmit Current: 120mA @ +20dBm
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Receive Current: 13mA
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Sleep Current: 2.5μA (typical)
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Standby Current: 1.2mA
While already power-efficient for many applications, some battery-operated scenarios require even lower power consumption.
Recommended Lower-Power Alternatives
E80-xxxM2213S Series (Lowest Power Option)
Key Specifications:
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Frequency Range: 150-960MHz (Multi-band support)
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Supply Voltage: 1.8-3.6V
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Transmit Current: 85mA @ +22dBm
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Receive Current: 9.5mA
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Sleep Current: 1.5μA (70% lower than E54)
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Standby Current: 0.9mA
Advantages:
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Industry-leading low power consumption
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Multi-frequency support for global applications
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Compact size: 16×16×2.1mm
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Integrated temperature sensor for environment monitoring
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AES-128 encryption for secure communications
Typical Applications:
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Battery-powered sensor networks
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Smart agriculture sensors
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Environmental monitoring systems
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Wearable health devices
E22-900T33S Series (Cost-Effective Alternative)
Key Specifications:
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Frequency: 850-930MHz
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Supply Voltage: 2.0-3.6V
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Transmit Current: 105mA @ +22dBm
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Receive Current: 11.5mA
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Sleep Current: 1.5μA
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Standby Current: 1.0mA
Advantages:
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40% lower transmit current than E54 series
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Excellent price-to-performance ratio
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Extended communication range: up to 8km
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Simple AT command configuration
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FCC/CE/RoHS certified