Just received email from Purism.
These are the specs. Some are TBD...

Display : 5.5″ – 5.7″ HD display
Processor: iMX8M Quad CPU
Memory: To Be Unveiled Soon
Storage : 32 GB eMMC internal storage
Wireless : 802.11abgn 2.4 Ghz / 5Ghz + Bluetooth 4
Baseband : Gemalto PLS8 3G/4G modem w/ single sim on replaceable M.2 card
GPS : TESEO LIV3F multiconstellation GNSS receiver
Smartcard: yes for 2FF format smart cards
Speaker : at least one
External Storage: microSD storage expansion
Accelerometer: 9-axis IMU (gyro, accel, magnetometer)
Front Camera: To Be Unveiled Soon
Back Camera w/LED flash: To Be Unveiled Soon
Vibration motor: yes
Charging: USB C connector for charging, USB client function, USB host function, power delivery
Battery: User replaceable – To Be Unveiled Soon