| Manufacturer | Part Number | Description |
|---|---|---|
| Shanghai | BL1101A | (BL1101 series) Tone/Pulse Dialer |
| Shanghai | BL1101 | Tone/Pulse Dialer (CH Version) |
| Shanghai | BL1101 | (BL1101 series) Tone/Pulse Dialer |
SHANGHAI BELLING |
BL1101N | CMOS gate |
| Shanghai | BL1101L | (BL1101 series) Tone/Pulse Dialer |
