Description
Feature:Full frequency band 400~480 MHZ/134~174MHZTransmit receive frequency independentBandwidth 12.5/25 KHzOutput power up to 1WOpen distance is 4-5 kmHigh receiving sensitivity: -124dBmHighly integrated small volume38-level CTCSS analog sub-audio code (available with PC software and serial port)166-level CDCSS digital sub-audio (PC software and serial port can be set)8-level squelchVolume external potentiometer adjustmentHigh and low power options (500mW-lW)Wide range of operating voltage 3.3-5.5VBuilt-in EEPROM, data power-down saveStable with 1.5ppm TCXO crystal
Applications: Small walkie talkieIgnore the intercom systemBuilding community security systemOutdoor sports productsAudio monitoring system
ParameterTest ConditionsMIN.TypicalMAX.UnitOperating voltage range 3.34.25.5VOperating temperature range -302570°CCurrent consumptionSleep current <3 uAReceiving current 60 mAEmission current (high power) 650750mAEmission current (low power) 450550mATransmitting RF parameterOperating frequency range
