`- TS22A test set with ABN, part number 22801-009
- Amplified speaker for hands-free monitoring
- 2-way speakerphone
- DropSafe reliability passes 20-foot drop test
- RainSafe protection for severe weather conditions
- Stores nine 18 digit numbers in repertory dialer
- Tone (DTMF) and pulse operation
- Locking mute switch
- Over voltage and current protection
- PBX pause button
- Field replaceable belt clip
- Continuous polarity LED indications
- DataSafe high impedance monitor