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RF Parameter Value Remark Working frequency 431~446.5 MHz Support ISM band Transmitting power 14 dBm - Receiving sensitivity -110 dBm Air data rate is 5kbps Air data rate 5k~50kbps Controlled via user’s programming Test distance 2500m Test condition：clear and open area, antenna gain: 5dBi， antenna height: 2.5m，air data rate: 5kbps Hardware Parameter Value Remark Size 16 * 26 mm - Antenna type IPEX / Stamp hole 50 ohm impedance Communication interface UART - Package SMD - Buffer 512 byte A single packet may not exceed 128 bytes Electronic parameter Min. Typ. Max. Unit Condition Power supply 2.2 3.3 3.8 V ≥3.3 V ensures output power Communication level - 3.3 - V For 5V TTL, it may be at risk of burning down Transmitting current - 37 - mA Instant power consumption Receiving current - 8 - mA - Sleep current - 2 - μA Software is shut down Operating temperature -40 - 85 ℃ - Operating humidity 10 - 90 % - Storage temperature -40 - 125 ℃ - 
Ürün ÖzellikleriFREKANS:433 MHz