Bosch MODEM-KIT-2400B modemkit2400b Modem-2400 for $289.50.
During lockdown i've been building wifi modems inside old 56k modems. I have so far saved 7 modems from the ewaste and shipped them to my friends. You can't even tell from
HP/Agilent PCM-2400 Modem, 24551, ISA, 2400 baud
RFU-2400 | ICP DAS USA Inc - Data Acquisition
Amazon.com: Nighthawk AC 2400 Smart WiFi Router : Electronics
DATA CONNECT MD2.4 Myriad Rack Modem Cards V22bis, 2400 bps, Dial-up Modem - Click IT Direct
Hayes 231AA External SmartModem 2400 Baud Modem | RecycledGoods.com