WiFi Troubleshooting Guide: C-Pen Reader 3 and C-Pen Lingo 3 

If your pen is having trouble connecting to WiFi, don’t worry — most issues are quick and simple to fix. 
Just follow the steps below. 

1. Make Sure 2.4GHz Wi-Fi Is Available 

The CPen Reader 3 and Lingo 3 can only connect to 2.4GHz WiFi. 

Some schools only broadcast 5GHz, which the pen cannot use. 

✔ Ask your IT team: 

• Is the 2.4GHz WiFi turned on? 

• Is the network name (SSID) visible? 

• Are new devices allowed to join the network? 

If 2.4GHz is off, the pen won’t be able to connect — even though it’s working correctly. 

It can be as simple as allowing 2.4GHz as well as 5GHz. 

1. Check WiFi Security Settings 

The pen works with: 

• WPA2-PSK (most common and recommended) 

• WPA/WPA2 mixed mode 

• WPA/WPA2 -Enterprise networks (commonly using a Radius server) 

It does not work with: 

• WPA3 only networks 

• Certificatebased authentication 

✔ If your network is WPA3only 

Ask IT to create a separate WPA2 2.4GHz network for SEN/teaching devices. 

This is a very common practice in schools. 

1. Check for Network Restrictions 

Even if the password is right, the pen might still be blocked by IT settings. 

Ask IT to check for: 

• Device isolation 

• Strict VLAN rules 

• Firewalls blocking access 

• Proxy servers requiring logins (the pen cannot log in) 

A quick adjustment usually fixes this. 

1.  Try the School’s Guest Network 

Most guest WiFi networks: 

• Allow new devices 

• Use simpler security 

• Broadcast 2.4GHz 

If the pen connects there, it confirms the main network is blocking it. 

1. Try a Mobile Hotspot (Simple Test) 

Turn on a hotspot on a phone and connect the pen. 

Most phone hotspots use 2.4GHz. 

✔ If the pen connects 

It means the device is working perfectly — the school network is the issue. 

1.  Common Solutions IT Teams Use 

Here are the solutions most schools choose: 

• Create a 2.4GHz SEN / Device network 

• Allow WPA2 only access on a separate Wi-Fi name 

• Whitelist the pen’s MAC address 

• Allow the pen on the guest WiFi 

• Create a temporary training/setup network 

All of these are safe and commonly used. 

1. If 2.4GHz Cannot Be Enabled 

The pen will still work fully offline, including: 

• Reading text aloud 

• Builtin dictionaries 

• Saving text 

• Voice recorder 

• Local word translation (with built-in base languages) 

Only online features (like translation mode for 40+languages) require Wi-Fi.