Nicollet Technologies 4300-RT -- The Nicollet 4300-RT (4300RT) is a newer and smarter version of the popular 4200-RT Digit Grabber / Test Set. Transmits & receives MF / DTMF / DP & much more.
Nicollet Technologies Digismart 4200-RT - Handheld signalling test set. Sends and receives MF, DTMF, and pulse digits CO immediate and wink start, PBX wink and immediate start, or analog pots.
