| Document And Entity Information | Apr. 13, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Apr. 13, 2022 |
| Entity Registrant Name | CAMBIUM NETWORKS CORP |
| Entity Central Index Key | 0001738177 |
| Entity Emerging Growth Company | true |
| Entity File Number | 001-38952 |
| Entity Incorporation, State or Country Code | E9 |
| Entity Tax Identification Number | 00-0000000 |
| Entity Address, Address Line One | c/o Cambium Networks, Inc. |
| Entity Address, Address Line Two | 3800 Golf Road, Suite 360 |
| Entity Address, City or Town | Rolling Meadows |
| Entity Address, State or Province | IL |
| Entity Address, Postal Zip Code | 60008 |
| City Area Code | 345 |
| Local Phone Number | 943-3100 |
| Entity Information, Former Legal or Registered Name | N/A |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Ex Transition Period | true |
| Title of 12(b) Security | Ordinary shares, $0.0001 par value |
| Trading Symbol | CMBM |
| Security Exchange Name | NASDAQ |
