NAV4
Devices with serial numbers starting with: EH, EI, EJ, EK, EL, EM, EN, EO, EP, EQ, ER, ES, ET, EU, G7, KA, KC, KD, KE, KF, KG, QE, QF, QI, QJ, QL, QM, QN, QQ, QR, QS, QT, QU, QV, QW, QX, VA, VB, VC, VD, VE, VF, VG, VH, VI, VJ, VK, VL, VM, VN, VP, VR, VT, VV, VX, VY, VZ, X5, X6, X7, X8, XQ, XR, XS, XT, XV, Z4, Z6, Z8, ZA, ZB, ZC, ZD, ZE, ZF, ZL, ZM, ZN, ZO, ZP, ZQ, ZR, ZS, ZT
GO Series - Premium / Supreme/ WIFI / x0 / xx0/ xx00 / Professional / Trucker (Truck, Bus, Van), GO Camper (Camper, Caravan)