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Transceiver modules 20dBm
Parameters:
1500m transmission distance (9600bps)
Support frequency 433MHz, 470MHz
100mW transmission power (can be set)
Ultra-low receiver sensitivity -111dBm@10Kbps, 120dBm@1Kbps
Modulation method GFSK Using UART/TTL interface,
RS232, RS485 optional Multi-channel can be set,
receiving and sending 256Bytes data buffer
Operating voltage 3.4-5.5V
Current consumption 19.5mA (receiving), 95mA (transmitting), 2.5uA (standby)
Two working modes, quick switching between receiving and transmitting and sleep modes
Built-in watchdog
Size 32.118.37.0(mm)
Parameters:
1500m transmission distance (9600bps)
Support frequency 433MHz, 470MHz
100mW transmission power (can be set)
Ultra-low receiver sensitivity -111dBm@10Kbps, 120dBm@1Kbps
Modulation method GFSK Using UART/TTL interface,
RS232, RS485 optional Multi-channel can be set,
receiving and sending 256Bytes data buffer
Operating voltage 3.4-5.5V
Current consumption 19.5mA (receiving), 95mA (transmitting), 2.5uA (standby)
Two working modes, quick switching between receiving and transmitting and sleep modes
Built-in watchdog
Size 32.118.37.0(mm)
APC330采用集成度非常高的射频芯片Si4438,其在性能与成本之间取得了极佳的平衡,性价比优势极为突出,在1Kbps速率下的接收灵敏度高达-120dBm,丝毫不逊于同类成本高昂的产品;APC330采用高效的循环交织纠检错编码(CRC),使其保有了非常高的抗干扰能力,非常适用于对性能要求高且对成本要求极为苛刻的智能电能表无线抄表。
APC330尺寸与引脚均兼容APC250、APC320,使得Si4438, Si4432, Si4463模块产品得以灵活使用和自由替换。
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