Available Transmitter Form factors: Bodypack SLX1 Automatic Transmitter Setup Backlit LCD with timeout feature Frequency and power lockout 3-segment battery fuel gauge 2 AA batteries (included) provide 8 hours of continuous use SLX4L SpecificationsWeight: 816 gHeight x Width x Depth: 42.0 × 197.0 × 134.0 mmTransmission: AnalogType of Power Supply: ExternalReceiver Housings: MetalActive Antenna Possible: Optional with UABiasTBias via BNC: NoHigh Density Mode: NoInterference Detection: NoRemote Control: NoMaximum number of compatible systems per frequency band: 14DANTE Audio Network Interface: NoScan Features: Channel ScanSync Features: IR SyncDetachable Antennas: YesLogic: YesCascade: NoRack Hardware: Included Rack mounts bracketsReceiver Displays: Backlit LCDReceiver type: SingleIncluded antenna: External 1/4-waveBattery Status: Leveled battery life indicationLine Mic Switch: NoImage Rejection: 70 dB, typicalRF Sensitivity: -105 dBm, for 12dB SINAD, typicalPhantom Power Protection: NoAntenna Input Impedance: 50 Ω SLX1 SpecificationsWeight: 81 gHeight x Width x Depth: 108.0 × 64.0 × 19.0 mmBattery life alkaline: 8 hForm Factor: BodypackTransmitter housings: MetalAudio Mute: YesDetachable Antennas: NoSwitchable RF power: NoBatteries: AABattery Status: Leveled battery life indicationConnectors: TQGFrequency Diversity: NoFunctionality: TransmitterGain adjustment range: 30 dBHigh Density Mode: NoIncluded antenna: 1/4 waveInput impedance: 1000 kΩ     Warranty 2 years.