Model Number: UK28-GJ-ADSL-UK Brand Name: G-Jack Key Specifications/Special Features: Reference impedance: 320Ω+1050Ω//230nFInsertion loss at 1kHz: <1.1dBInsertion loss distortion: 200 to 3400Hz, <1dB (ref 1kHz)Return loss: 300Hz to 500Hz >14dB 500Hz to 2000Hz >18dB 2000Hz to 3400Hz >14dBGroup delay distortion: 300 to 4000Hz, <250uSDC resistance (phone short): <150ΩInsulation resistance: >5MΩAttenuation: 32kHz to 350kHz >29dB
350kHz to 2208kHz >55dB